18347680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8821}}^1$

素因数の和:8849

約数の個数: 48

約数和(自身を含む): 46686024

約数和(自身を除く): 28338344

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 8821, 17642, 35284, 44105, 70568, 88210, 114673, 141136, 176420, 229346, 282272, 352840, 458692, 573365, 705680, 917384, 1146730, 1411360, 1834768, 2293460, 3669536, 4586920, 9173840, 18347680]

約数ペア:

[(1, 18347680), (2, 9173840), (4, 4586920), (5, 3669536), (8, 2293460), (10, 1834768), (13, 1411360), (16, 1146730), (20, 917384), (26, 705680), (32, 573365), (40, 458692), (52, 352840), (65, 282272), (80, 229346), (104, 176420), (130, 141136), (160, 114673), (208, 88210), (260, 70568), (416, 44105), (520, 35284), (1040, 17642), (2080, 8821)]