19804798

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{11369}}^1$

素因数の和:11451

約数の個数: 16

約数和(自身を含む): 32472720

約数和(自身を除く): 12667922

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 11369, 22738, 147797, 295594, 761723, 1523446, 9902399, 19804798]

約数ペア:

[(1, 19804798), (2, 9902399), (13, 1523446), (26, 761723), (67, 295594), (134, 147797), (871, 22738), (1742, 11369)]