19316488

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{821}}^1$

素因数の和:1017

約数の個数: 32

約数和(自身を含む): 38617560

約数和(自身を除く): 19301072

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 173, 346, 692, 821, 1384, 1642, 2941, 3284, 5882, 6568, 11764, 13957, 23528, 27914, 55828, 111656, 142033, 284066, 568132, 1136264, 2414561, 4829122, 9658244, 19316488]

約数ペア:

[(1, 19316488), (2, 9658244), (4, 4829122), (8, 2414561), (17, 1136264), (34, 568132), (68, 284066), (136, 142033), (173, 111656), (346, 55828), (692, 27914), (821, 23528), (1384, 13957), (1642, 11764), (2941, 6568), (3284, 5882)]