18852080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18127}}^1$

素因数の和:18153

約数の個数: 40

約数和(自身を含む): 47205312

約数和(自身を除く): 28353232

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 18127, 36254, 72508, 90635, 145016, 181270, 235651, 290032, 362540, 471302, 725080, 942604, 1178255, 1450160, 1885208, 2356510, 3770416, 4713020, 9426040, 18852080]

約数ペア:

[(1, 18852080), (2, 9426040), (4, 4713020), (5, 3770416), (8, 2356510), (10, 1885208), (13, 1450160), (16, 1178255), (20, 942604), (26, 725080), (40, 471302), (52, 362540), (65, 290032), (80, 235651), (104, 181270), (130, 145016), (208, 90635), (260, 72508), (520, 36254), (1040, 18127)]