18772018

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{1019}}^1$

素因数の和:1233

約数の個数: 16

約数和(自身を含む): 28837440

約数和(自身を除く): 10065422

約数列:

[1, 2, 61, 122, 151, 302, 1019, 2038, 9211, 18422, 62159, 124318, 153869, 307738, 9386009, 18772018]

約数ペア:

[(1, 18772018), (2, 9386009), (61, 307738), (122, 153869), (151, 124318), (302, 62159), (1019, 18422), (2038, 9211)]