19998478934

素因数分解:

$2^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{7980239}}^1$

素因数の和:7980427

約数の個数: 16

約数和(自身を含む): 34474636800

約数和(自身を除く): 14476157866

約数列:

[1, 2, 7, 14, 179, 358, 1253, 2506, 7980239, 15960478, 55861673, 111723346, 1428462781, 2856925562, 9999239467, 19998478934]

約数ペア:

[(1, 19998478934), (2, 9999239467), (7, 2856925562), (14, 1428462781), (179, 111723346), (358, 55861673), (1253, 15960478), (2506, 7980239)]