12215290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{269}}^1$

素因数の和:534

約数の個数: 32

約数和(自身を含む): 23328000

約数和(自身を除く): 11112710

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 239, 269, 478, 538, 1195, 1345, 2390, 2690, 4541, 5111, 9082, 10222, 22705, 25555, 45410, 51110, 64291, 128582, 321455, 642910, 1221529, 2443058, 6107645, 12215290]

約数ペア:

[(1, 12215290), (2, 6107645), (5, 2443058), (10, 1221529), (19, 642910), (38, 321455), (95, 128582), (190, 64291), (239, 51110), (269, 45410), (478, 25555), (538, 22705), (1195, 10222), (1345, 9082), (2390, 5111), (2690, 4541)]