18841576

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10657}}^1$

素因数の和:10693

約数の個数: 32

約数和(自身を含む): 40287240

約数和(自身を除く): 21445664

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 10657, 21314, 42628, 85256, 138541, 181169, 277082, 362338, 554164, 724676, 1108328, 1449352, 2355197, 4710394, 9420788, 18841576]

約数ペア:

[(1, 18841576), (2, 9420788), (4, 4710394), (8, 2355197), (13, 1449352), (17, 1108328), (26, 724676), (34, 554164), (52, 362338), (68, 277082), (104, 181169), (136, 138541), (221, 85256), (442, 42628), (884, 21314), (1768, 10657)]