18637838

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{659}}^1$

素因数の和:919

約数の個数: 16

約数和(自身を含む): 28512000

約数和(自身を除く): 9874162

約数列:

[1, 2, 79, 158, 179, 358, 659, 1318, 14141, 28282, 52061, 104122, 117961, 235922, 9318919, 18637838]

約数ペア:

[(1, 18637838), (2, 9318919), (79, 235922), (158, 117961), (179, 104122), (358, 52061), (659, 28282), (1318, 14141)]