18734138

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1\times {\mathrm{557}}^1$

素因数の和:877

約数の個数: 16

約数和(自身を含む): 28685664

約数和(自身を除く): 9951526

約数列:

[1, 2, 67, 134, 251, 502, 557, 1114, 16817, 33634, 37319, 74638, 139807, 279614, 9367069, 18734138]

約数ペア:

[(1, 18734138), (2, 9367069), (67, 279614), (134, 139807), (251, 74638), (502, 37319), (557, 33634), (1114, 16817)]