18291212080

素因数分解:

$2^4\times 5^1\times {\mathrm{21067}}^1\times {\mathrm{10853}}^1$

素因数の和:31933

約数の個数: 40

約数和(自身を含む): 42533005392

約数和(自身を除く): 24241793312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10853, 21067, 21706, 42134, 43412, 54265, 84268, 86824, 105335, 108530, 168536, 173648, 210670, 217060, 337072, 421340, 434120, 842680, 868240, 1685360, 228640151, 457280302, 914560604, 1143200755, 1829121208, 2286401510, 3658242416, 4572803020, 9145606040, 18291212080]

約数ペア:

[(1, 18291212080), (2, 9145606040), (4, 4572803020), (5, 3658242416), (8, 2286401510), (10, 1829121208), (16, 1143200755), (20, 914560604), (40, 457280302), (80, 228640151), (10853, 1685360), (21067, 868240), (21706, 842680), (42134, 434120), (43412, 421340), (54265, 337072), (84268, 217060), (86824, 210670), (105335, 173648), (108530, 168536)]