18669420

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1$

素因数の和:485

約数の個数: 192

約数和(自身を含む): 72576000

約数和(自身を除く): 53906580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 27, 28, 30, 33, 35, 36, 42, 44, 45, 54, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 108, 110, 126, 132, 135, 140, 154, 165, 180, 189, 198, 210, 220, 231, 252, 270, 297, 308, 315, 330, 378, 385, 396, 420, 449, 462, 495, 540, 594, 630, 660, 693, 756, 770, 898, 924, 945, 990, 1155, 1188, 1260, 1347, 1386, 1485, 1540, 1796, 1890, 1980, 2079, 2245, 2310, 2694, 2772, 2970, 3143, 3465, 3780, 4041, 4158, 4490, 4620, 4939, 5388, 5940, 6286, 6735, 6930, 8082, 8316, 8980, 9429, 9878, 10395, 12123, 12572, 13470, 13860, 14817, 15715, 16164, 18858, 19756, 20205, 20790, 24246, 24695, 26940, 28287, 29634, 31430, 34573, 37716, 40410, 41580, 44451, 47145, 48492, 49390, 56574, 59268, 60615, 62860, 69146, 74085, 80820, 84861, 88902, 94290, 98780, 103719, 113148, 121230, 133353, 138292, 141435, 148170, 169722, 172865, 177804, 188580, 207438, 222255, 242460, 266706, 282870, 296340, 311157, 339444, 345730, 414876, 424305, 444510, 518595, 533412, 565740, 622314, 666765, 691460, 848610, 889020, 933471, 1037190, 1244628, 1333530, 1555785, 1697220, 1866942, 2074380, 2667060, 3111570, 3733884, 4667355, 6223140, 9334710, 18669420]

約数ペア:

[(1, 18669420), (2, 9334710), (3, 6223140), (4, 4667355), (5, 3733884), (6, 3111570), (7, 2667060), (9, 2074380), (10, 1866942), (11, 1697220), (12, 1555785), (14, 1333530), (15, 1244628), (18, 1037190), (20, 933471), (21, 889020), (22, 848610), (27, 691460), (28, 666765), (30, 622314), (33, 565740), (35, 533412), (36, 518595), (42, 444510), (44, 424305), (45, 414876), (54, 345730), (55, 339444), (60, 311157), (63, 296340), (66, 282870), (70, 266706), (77, 242460), (84, 222255), (90, 207438), (99, 188580), (105, 177804), (108, 172865), (110, 169722), (126, 148170), (132, 141435), (135, 138292), (140, 133353), (154, 121230), (165, 113148), (180, 103719), (189, 98780), (198, 94290), (210, 88902), (220, 84861), (231, 80820), (252, 74085), (270, 69146), (297, 62860), (308, 60615), (315, 59268), (330, 56574), (378, 49390), (385, 48492), (396, 47145), (420, 44451), (449, 41580), (462, 40410), (495, 37716), (540, 34573), (594, 31430), (630, 29634), (660, 28287), (693, 26940), (756, 24695), (770, 24246), (898, 20790), (924, 20205), (945, 19756), (990, 18858), (1155, 16164), (1188, 15715), (1260, 14817), (1347, 13860), (1386, 13470), (1485, 12572), (1540, 12123), (1796, 10395), (1890, 9878), (1980, 9429), (2079, 8980), (2245, 8316), (2310, 8082), (2694, 6930), (2772, 6735), (2970, 6286), (3143, 5940), (3465, 5388), (3780, 4939), (4041, 4620), (4158, 4490)]