18403770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:316

約数の個数: 128

約数和(自身を含む): 57065472

約数和(自身を除く): 38661702

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 31, 33, 35, 42, 55, 62, 66, 70, 77, 93, 105, 110, 154, 155, 165, 186, 210, 217, 231, 257, 310, 330, 341, 385, 434, 462, 465, 514, 651, 682, 770, 771, 930, 1023, 1085, 1155, 1285, 1302, 1542, 1705, 1799, 2046, 2170, 2310, 2387, 2570, 2827, 3255, 3410, 3598, 3855, 4774, 5115, 5397, 5654, 6510, 7161, 7710, 7967, 8481, 8995, 10230, 10794, 11935, 14135, 14322, 15934, 16962, 17990, 19789, 23870, 23901, 26985, 28270, 35805, 39578, 39835, 42405, 47802, 53970, 55769, 59367, 71610, 79670, 84810, 87637, 98945, 111538, 118734, 119505, 167307, 175274, 197890, 239010, 262911, 278845, 296835, 334614, 438185, 525822, 557690, 593670, 613459, 836535, 876370, 1226918, 1314555, 1673070, 1840377, 2629110, 3067295, 3680754, 6134590, 9201885, 18403770]

約数ペア:

[(1, 18403770), (2, 9201885), (3, 6134590), (5, 3680754), (6, 3067295), (7, 2629110), (10, 1840377), (11, 1673070), (14, 1314555), (15, 1226918), (21, 876370), (22, 836535), (30, 613459), (31, 593670), (33, 557690), (35, 525822), (42, 438185), (55, 334614), (62, 296835), (66, 278845), (70, 262911), (77, 239010), (93, 197890), (105, 175274), (110, 167307), (154, 119505), (155, 118734), (165, 111538), (186, 98945), (210, 87637), (217, 84810), (231, 79670), (257, 71610), (310, 59367), (330, 55769), (341, 53970), (385, 47802), (434, 42405), (462, 39835), (465, 39578), (514, 35805), (651, 28270), (682, 26985), (770, 23901), (771, 23870), (930, 19789), (1023, 17990), (1085, 16962), (1155, 15934), (1285, 14322), (1302, 14135), (1542, 11935), (1705, 10794), (1799, 10230), (2046, 8995), (2170, 8481), (2310, 7967), (2387, 7710), (2570, 7161), (2827, 6510), (3255, 5654), (3410, 5397), (3598, 5115), (3855, 4774)]