18949498

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{11597}}^1$

素因数の和:11661

約数の個数: 16

約数和(自身を含む): 30618720

約数和(自身を除く): 11669222

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 11597, 23194, 220343, 440686, 498671, 997342, 9474749, 18949498]

約数ペア:

[(1, 18949498), (2, 9474749), (19, 997342), (38, 498671), (43, 440686), (86, 220343), (817, 23194), (1634, 11597)]