18901479900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1465231}}^1$

素因数の和:1465291

約数の個数: 72

約数和(自身を含む): 55960140544

約数和(自身を除く): 37058660644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 43, 50, 60, 75, 86, 100, 129, 150, 172, 215, 258, 300, 430, 516, 645, 860, 1075, 1290, 2150, 2580, 3225, 4300, 6450, 12900, 1465231, 2930462, 4395693, 5860924, 7326155, 8791386, 14652310, 17582772, 21978465, 29304620, 36630775, 43956930, 63004933, 73261550, 87913860, 109892325, 126009866, 146523100, 189014799, 219784650, 252019732, 315024665, 378029598, 439569300, 630049330, 756059196, 945073995, 1260098660, 1575123325, 1890147990, 3150246650, 3780295980, 4725369975, 6300493300, 9450739950, 18901479900]

約数ペア:

[(1, 18901479900), (2, 9450739950), (3, 6300493300), (4, 4725369975), (5, 3780295980), (6, 3150246650), (10, 1890147990), (12, 1575123325), (15, 1260098660), (20, 945073995), (25, 756059196), (30, 630049330), (43, 439569300), (50, 378029598), (60, 315024665), (75, 252019732), (86, 219784650), (100, 189014799), (129, 146523100), (150, 126009866), (172, 109892325), (215, 87913860), (258, 73261550), (300, 63004933), (430, 43956930), (516, 36630775), (645, 29304620), (860, 21978465), (1075, 17582772), (1290, 14652310), (2150, 8791386), (2580, 7326155), (3225, 5860924), (4300, 4395693), (6450, 2930462), (12900, 1465231)]