18947866

素因数分解:

$2^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{7561}}^1$

素因数の和:7749

約数の個数: 16

約数和(自身を含む): 32667840

約数和(自身を除く): 13719974

約数列:

[1, 2, 7, 14, 179, 358, 1253, 2506, 7561, 15122, 52927, 105854, 1353419, 2706838, 9473933, 18947866]

約数ペア:

[(1, 18947866), (2, 9473933), (7, 2706838), (14, 1353419), (179, 105854), (358, 52927), (1253, 15122), (2506, 7561)]