17961806

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{709}}^1$

素因数の和:1003

約数の個数: 16

約数和(自身を含む): 27604800

約数和(自身を除く): 9642994

約数列:

[1, 2, 53, 106, 239, 478, 709, 1418, 12667, 25334, 37577, 75154, 169451, 338902, 8980903, 17961806]

約数ペア:

[(1, 17961806), (2, 8980903), (53, 338902), (106, 169451), (239, 75154), (478, 37577), (709, 25334), (1418, 12667)]