19948455

素因数分解:

$3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{3923}}^1$

素因数の和:4047

約数の個数: 24

約数和(自身を含む): 34892208

約数和(自身を除く): 14943753

約数列:

[1, 3, 5, 9, 15, 45, 113, 339, 565, 1017, 1695, 3923, 5085, 11769, 19615, 35307, 58845, 176535, 443299, 1329897, 2216495, 3989691, 6649485, 19948455]

約数ペア:

[(1, 19948455), (3, 6649485), (5, 3989691), (9, 2216495), (15, 1329897), (45, 443299), (113, 176535), (339, 58845), (565, 35307), (1017, 19615), (1695, 11769), (3923, 5085)]