18115420

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{6079}}^1$

素因数の和:6237

約数の個数: 24

約数和(自身を含む): 38304000

約数和(自身を除く): 20188580

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 6079, 12158, 24316, 30395, 60790, 121580, 905771, 1811542, 3623084, 4528855, 9057710, 18115420]

約数ペア:

[(1, 18115420), (2, 9057710), (4, 4528855), (5, 3623084), (10, 1811542), (20, 905771), (149, 121580), (298, 60790), (596, 30395), (745, 24316), (1490, 12158), (2980, 6079)]