18431432

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 35471520

約数和(自身を除く): 17040088

約数列:

[1, 2, 4, 8, 67, 134, 137, 251, 268, 274, 502, 536, 548, 1004, 1096, 2008, 9179, 16817, 18358, 33634, 34387, 36716, 67268, 68774, 73432, 134536, 137548, 275096, 2303929, 4607858, 9215716, 18431432]

約数ペア:

[(1, 18431432), (2, 9215716), (4, 4607858), (8, 2303929), (67, 275096), (134, 137548), (137, 134536), (251, 73432), (268, 68774), (274, 67268), (502, 36716), (536, 34387), (548, 33634), (1004, 18358), (1096, 16817), (2008, 9179)]