2018390980

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{207227}}^1$

素因数の和:207723

約数の個数: 24

約数和(自身を含む): 4247345088

約数和(自身を除く): 2228954108

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 4870, 9740, 207227, 414454, 828908, 1036135, 2072270, 4144540, 100919549, 201839098, 403678196, 504597745, 1009195490, 2018390980]

約数ペア:

[(1, 2018390980), (2, 1009195490), (4, 504597745), (5, 403678196), (10, 201839098), (20, 100919549), (487, 4144540), (974, 2072270), (1948, 1036135), (2435, 828908), (4870, 414454), (9740, 207227)]