18191679

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 27841536

約数和(自身を除く): 9649857

約数列:

[1, 3, 11, 33, 37, 47, 111, 141, 317, 407, 517, 951, 1221, 1551, 1739, 3487, 5217, 10461, 11729, 14899, 19129, 35187, 44697, 57387, 129019, 163889, 387057, 491667, 551263, 1653789, 6063893, 18191679]

約数ペア:

[(1, 18191679), (3, 6063893), (11, 1653789), (33, 551263), (37, 491667), (47, 387057), (111, 163889), (141, 129019), (317, 57387), (407, 44697), (517, 35187), (951, 19129), (1221, 14899), (1551, 11729), (1739, 10461), (3487, 5217)]