18751816

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{797}}^1$

素因数の和:993

約数の個数: 32

約数和(自身を含む): 37490040

約数和(自身を除く): 18738224

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 173, 346, 692, 797, 1384, 1594, 2941, 3188, 5882, 6376, 11764, 13549, 23528, 27098, 54196, 108392, 137881, 275762, 551524, 1103048, 2343977, 4687954, 9375908, 18751816]

約数ペア:

[(1, 18751816), (2, 9375908), (4, 4687954), (8, 2343977), (17, 1103048), (34, 551524), (68, 275762), (136, 137881), (173, 108392), (346, 54196), (692, 27098), (797, 23528), (1384, 13549), (1594, 11764), (2941, 6376), (3188, 5882)]