18684620

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{17627}}^1$

素因数の和:17689

約数の個数: 24

約数和(自身を含む): 39980304

約数和(自身を除く): 21295684

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 17627, 35254, 70508, 88135, 176270, 352540, 934231, 1868462, 3736924, 4671155, 9342310, 18684620]

約数ペア:

[(1, 18684620), (2, 9342310), (4, 4671155), (5, 3736924), (10, 1868462), (20, 934231), (53, 352540), (106, 176270), (212, 88135), (265, 70508), (530, 35254), (1060, 17627)]