18686804910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1479557}}^1$

素因数の和:1479988

約数の個数: 32

約数和(自身を含む): 44954890272

約数和(自身を除く): 26268085362

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 421, 842, 1263, 2105, 2526, 4210, 6315, 12630, 1479557, 2959114, 4438671, 7397785, 8877342, 14795570, 22193355, 44386710, 622893497, 1245786994, 1868680491, 3114467485, 3737360982, 6228934970, 9343402455, 18686804910]

約数ペア:

[(1, 18686804910), (2, 9343402455), (3, 6228934970), (5, 3737360982), (6, 3114467485), (10, 1868680491), (15, 1245786994), (30, 622893497), (421, 44386710), (842, 22193355), (1263, 14795570), (2105, 8877342), (2526, 7397785), (4210, 4438671), (6315, 2959114), (12630, 1479557)]