18794930

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{317}}^1$

素因数の和:360

約数の個数: 72

約数和(自身を含む): 43393644

約数和(自身を除く): 24598714

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 121, 154, 242, 245, 317, 385, 490, 539, 605, 634, 770, 847, 1078, 1210, 1585, 1694, 2219, 2695, 3170, 3487, 4235, 4438, 5390, 5929, 6974, 8470, 11095, 11858, 15533, 17435, 22190, 24409, 29645, 31066, 34870, 38357, 48818, 59290, 76714, 77665, 122045, 155330, 170863, 191785, 244090, 268499, 341726, 383570, 536998, 854315, 1342495, 1708630, 1879493, 2684990, 3758986, 9397465, 18794930]

約数ペア:

[(1, 18794930), (2, 9397465), (5, 3758986), (7, 2684990), (10, 1879493), (11, 1708630), (14, 1342495), (22, 854315), (35, 536998), (49, 383570), (55, 341726), (70, 268499), (77, 244090), (98, 191785), (110, 170863), (121, 155330), (154, 122045), (242, 77665), (245, 76714), (317, 59290), (385, 48818), (490, 38357), (539, 34870), (605, 31066), (634, 29645), (770, 24409), (847, 22190), (1078, 17435), (1210, 15533), (1585, 11858), (1694, 11095), (2219, 8470), (2695, 6974), (3170, 5929), (3487, 5390), (4235, 4438)]