19297900

素因数分解:

$2^2\times 5^2\times {\mathrm{192979}}^1$

素因数の和:192993

約数の個数: 18

約数和(自身を含む): 41876660

約数和(自身を除く): 22578760

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 192979, 385958, 771916, 964895, 1929790, 3859580, 4824475, 9648950, 19297900]

約数ペア:

[(1, 19297900), (2, 9648950), (4, 4824475), (5, 3859580), (10, 1929790), (20, 964895), (25, 771916), (50, 385958), (100, 192979)]