42918530

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1999}}^1$

素因数の和:2138

約数の個数: 32

約数和(自身を含む): 82080000

約数和(自身を除く): 39161470

約数列:

[1, 2, 5, 10, 19, 38, 95, 113, 190, 226, 565, 1130, 1999, 2147, 3998, 4294, 9995, 10735, 19990, 21470, 37981, 75962, 189905, 225887, 379810, 451774, 1129435, 2258870, 4291853, 8583706, 21459265, 42918530]

約数ペア:

[(1, 42918530), (2, 21459265), (5, 8583706), (10, 4291853), (19, 2258870), (38, 1129435), (95, 451774), (113, 379810), (190, 225887), (226, 189905), (565, 75962), (1130, 37981), (1999, 21470), (2147, 19990), (3998, 10735), (4294, 9995)]