18253460

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^3$

素因数の和:300

約数の個数: 24

約数和(自身を含む): 38731560

約数和(自身を除く): 20478100

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 9409, 18818, 37636, 47045, 94090, 188180, 912673, 1825346, 3650692, 4563365, 9126730, 18253460]

約数ペア:

[(1, 18253460), (2, 9126730), (4, 4563365), (5, 3650692), (10, 1825346), (20, 912673), (97, 188180), (194, 94090), (388, 47045), (485, 37636), (970, 18818), (1940, 9409)]