18478677

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{271}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 30081024

約数和(自身を除く): 11602347

約数列:

[1, 3, 7, 17, 21, 51, 119, 191, 271, 357, 573, 813, 1337, 1897, 3247, 4011, 4607, 5691, 9741, 13821, 22729, 32249, 51761, 68187, 96747, 155283, 362327, 879937, 1086981, 2639811, 6159559, 18478677]

約数ペア:

[(1, 18478677), (3, 6159559), (7, 2639811), (17, 1086981), (21, 879937), (51, 362327), (119, 155283), (191, 96747), (271, 68187), (357, 51761), (573, 32249), (813, 22729), (1337, 13821), (1897, 9741), (3247, 5691), (4011, 4607)]