18471664

素因数分解:

$2^4\times {\mathrm{401}}^1\times {\mathrm{2879}}^1$

素因数の和:3288

約数の個数: 20

約数和(自身を含む): 35890560

約数和(自身を除く): 17418896

約数列:

[1, 2, 4, 8, 16, 401, 802, 1604, 2879, 3208, 5758, 6416, 11516, 23032, 46064, 1154479, 2308958, 4617916, 9235832, 18471664]

約数ペア:

[(1, 18471664), (2, 9235832), (4, 4617916), (8, 2308958), (16, 1154479), (401, 46064), (802, 23032), (1604, 11516), (2879, 6416), (3208, 5758)]