18640890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{207121}}^1$

素因数の和:207134

約数の個数: 24

約数和(自身を含む): 48466548

約数和(自身を除く): 29825658

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 207121, 414242, 621363, 1035605, 1242726, 1864089, 2071210, 3106815, 3728178, 6213630, 9320445, 18640890]

約数ペア:

[(1, 18640890), (2, 9320445), (3, 6213630), (5, 3728178), (6, 3106815), (9, 2071210), (10, 1864089), (15, 1242726), (18, 1035605), (30, 621363), (45, 414242), (90, 207121)]