18996020

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{5827}}^1$

素因数の和:5999

約数の個数: 24

約数和(自身を含む): 40143264

約数和(自身を除く): 21147244

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 5827, 11654, 23308, 29135, 58270, 116540, 949801, 1899602, 3799204, 4749005, 9498010, 18996020]

約数ペア:

[(1, 18996020), (2, 9498010), (4, 4749005), (5, 3799204), (10, 1899602), (20, 949801), (163, 116540), (326, 58270), (652, 29135), (815, 23308), (1630, 11654), (3260, 5827)]