18690210

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:94

約数の個数: 256

約数和(自身を含む): 66355200

約数和(自身を除く): 47664990

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 27, 29, 30, 31, 33, 35, 42, 45, 54, 55, 58, 62, 63, 66, 70, 77, 87, 90, 93, 99, 105, 110, 126, 135, 145, 154, 155, 165, 174, 186, 189, 198, 203, 210, 217, 231, 261, 270, 279, 290, 297, 310, 315, 319, 330, 341, 378, 385, 406, 434, 435, 462, 465, 495, 522, 558, 594, 609, 630, 638, 651, 682, 693, 770, 783, 837, 870, 899, 930, 945, 957, 990, 1015, 1023, 1085, 1155, 1218, 1302, 1305, 1386, 1395, 1485, 1566, 1595, 1674, 1705, 1798, 1827, 1890, 1914, 1953, 2030, 2046, 2079, 2170, 2233, 2310, 2387, 2610, 2697, 2790, 2871, 2970, 3045, 3069, 3190, 3255, 3410, 3465, 3654, 3906, 3915, 4158, 4185, 4466, 4495, 4774, 4785, 5115, 5394, 5481, 5742, 5859, 6090, 6138, 6293, 6510, 6699, 6930, 7161, 7830, 8091, 8370, 8613, 8990, 9135, 9207, 9570, 9765, 9889, 10230, 10395, 10962, 11165, 11718, 11935, 12586, 13398, 13485, 14322, 14355, 15345, 16182, 17226, 18270, 18414, 18879, 19530, 19778, 20097, 20790, 21483, 22330, 23870, 24273, 26970, 27405, 28710, 29295, 29667, 30690, 31465, 33495, 35805, 37758, 40194, 40455, 42966, 43065, 46035, 48546, 49445, 54810, 56637, 58590, 59334, 60291, 62930, 64449, 66990, 69223, 71610, 80910, 86130, 89001, 92070, 94395, 98890, 100485, 107415, 113274, 120582, 121365, 128898, 138446, 148335, 169911, 178002, 188790, 200970, 207669, 214830, 242730, 267003, 283185, 296670, 301455, 322245, 339822, 346115, 415338, 445005, 534006, 566370, 602910, 623007, 644490, 692230, 849555, 890010, 1038345, 1246014, 1335015, 1699110, 1869021, 2076690, 2670030, 3115035, 3738042, 6230070, 9345105, 18690210]

約数ペア:

[(1, 18690210), (2, 9345105), (3, 6230070), (5, 3738042), (6, 3115035), (7, 2670030), (9, 2076690), (10, 1869021), (11, 1699110), (14, 1335015), (15, 1246014), (18, 1038345), (21, 890010), (22, 849555), (27, 692230), (29, 644490), (30, 623007), (31, 602910), (33, 566370), (35, 534006), (42, 445005), (45, 415338), (54, 346115), (55, 339822), (58, 322245), (62, 301455), (63, 296670), (66, 283185), (70, 267003), (77, 242730), (87, 214830), (90, 207669), (93, 200970), (99, 188790), (105, 178002), (110, 169911), (126, 148335), (135, 138446), (145, 128898), (154, 121365), (155, 120582), (165, 113274), (174, 107415), (186, 100485), (189, 98890), (198, 94395), (203, 92070), (210, 89001), (217, 86130), (231, 80910), (261, 71610), (270, 69223), (279, 66990), (290, 64449), (297, 62930), (310, 60291), (315, 59334), (319, 58590), (330, 56637), (341, 54810), (378, 49445), (385, 48546), (406, 46035), (434, 43065), (435, 42966), (462, 40455), (465, 40194), (495, 37758), (522, 35805), (558, 33495), (594, 31465), (609, 30690), (630, 29667), (638, 29295), (651, 28710), (682, 27405), (693, 26970), (770, 24273), (783, 23870), (837, 22330), (870, 21483), (899, 20790), (930, 20097), (945, 19778), (957, 19530), (990, 18879), (1015, 18414), (1023, 18270), (1085, 17226), (1155, 16182), (1218, 15345), (1302, 14355), (1305, 14322), (1386, 13485), (1395, 13398), (1485, 12586), (1566, 11935), (1595, 11718), (1674, 11165), (1705, 10962), (1798, 10395), (1827, 10230), (1890, 9889), (1914, 9765), (1953, 9570), (2030, 9207), (2046, 9135), (2079, 8990), (2170, 8613), (2233, 8370), (2310, 8091), (2387, 7830), (2610, 7161), (2697, 6930), (2790, 6699), (2871, 6510), (2970, 6293), (3045, 6138), (3069, 6090), (3190, 5859), (3255, 5742), (3410, 5481), (3465, 5394), (3654, 5115), (3906, 4785), (3915, 4774), (4158, 4495), (4185, 4466)]