38945915

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{2081}}^1$

素因数の和:2302

約数の個数: 16

約数和(自身を含む): 49468320

約数和(自身を除く): 10522405

約数列:

[1, 5, 19, 95, 197, 985, 2081, 3743, 10405, 18715, 39539, 197695, 409957, 2049785, 7789183, 38945915]

約数ペア:

[(1, 38945915), (5, 7789183), (19, 2049785), (95, 409957), (197, 197695), (985, 39539), (2081, 18715), (3743, 10405)]