18985522

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{7457}}^1$

素因数の和:7545

約数の個数: 16

約数和(自身を含む): 30428640

約数和(自身を除く): 11443118

約数列:

[1, 2, 19, 38, 67, 134, 1273, 2546, 7457, 14914, 141683, 283366, 499619, 999238, 9492761, 18985522]

約数ペア:

[(1, 18985522), (2, 9492761), (19, 999238), (38, 499619), (67, 283366), (134, 141683), (1273, 14914), (2546, 7457)]