19545780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1637}}^1$

素因数の和:1848

約数の個数: 48

約数和(自身を含む): 55036800

約数和(自身を除く): 35491020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 199, 398, 597, 796, 995, 1194, 1637, 1990, 2388, 2985, 3274, 3980, 4911, 5970, 6548, 8185, 9822, 11940, 16370, 19644, 24555, 32740, 49110, 98220, 325763, 651526, 977289, 1303052, 1628815, 1954578, 3257630, 3909156, 4886445, 6515260, 9772890, 19545780]

約数ペア:

[(1, 19545780), (2, 9772890), (3, 6515260), (4, 4886445), (5, 3909156), (6, 3257630), (10, 1954578), (12, 1628815), (15, 1303052), (20, 977289), (30, 651526), (60, 325763), (199, 98220), (398, 49110), (597, 32740), (796, 24555), (995, 19644), (1194, 16370), (1637, 11940), (1990, 9822), (2388, 8185), (2985, 6548), (3274, 5970), (3980, 4911)]