18620816

素因数分解:

$2^4\times {\mathrm{881}}^1\times {\mathrm{1321}}^1$

素因数の和:2210

約数の個数: 20

約数和(自身を含む): 36146124

約数和(自身を除く): 17525308

約数列:

[1, 2, 4, 8, 16, 881, 1321, 1762, 2642, 3524, 5284, 7048, 10568, 14096, 21136, 1163801, 2327602, 4655204, 9310408, 18620816]

約数ペア:

[(1, 18620816), (2, 9310408), (4, 4655204), (8, 2327602), (16, 1163801), (881, 21136), (1321, 14096), (1762, 10568), (2642, 7048), (3524, 5284)]