2018297780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3255319}}^1$

素因数の和:3255359

約数の個数: 24

約数和(自身を含む): 4375150080

約数和(自身を除く): 2356852300

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 3255319, 6510638, 13021276, 16276595, 32553190, 65106380, 100914889, 201829778, 403659556, 504574445, 1009148890, 2018297780]

約数ペア:

[(1, 2018297780), (2, 1009148890), (4, 504574445), (5, 403659556), (10, 201829778), (20, 100914889), (31, 65106380), (62, 32553190), (124, 16276595), (155, 13021276), (310, 6510638), (620, 3255319)]