19369820

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{13267}}^1$

素因数の和:13349

約数の個数: 24

約数和(自身を含む): 41236944

約数和(自身を除く): 21867124

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 13267, 26534, 53068, 66335, 132670, 265340, 968491, 1936982, 3873964, 4842455, 9684910, 19369820]

約数ペア:

[(1, 19369820), (2, 9684910), (4, 4842455), (5, 3873964), (10, 1936982), (20, 968491), (73, 265340), (146, 132670), (292, 66335), (365, 53068), (730, 26534), (1460, 13267)]