18565519898

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{523}}^1\times {\mathrm{172321}}^1$

素因数の和:172949

約数の個数: 16

約数和(自身を含む): 28172579136

約数和(自身を除く): 9607059238

約数列:

[1, 2, 103, 206, 523, 1046, 53869, 107738, 172321, 344642, 17749063, 35498126, 90123883, 180247766, 9282759949, 18565519898]

約数ペア:

[(1, 18565519898), (2, 9282759949), (103, 180247766), (206, 90123883), (523, 35498126), (1046, 17749063), (53869, 344642), (107738, 172321)]