19308025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1151}}^1$

素因数の和:1233

約数の個数: 24

約数和(自身を含む): 26569728

約数和(自身を除く): 7261703

約数列:

[1, 5, 11, 25, 55, 61, 275, 305, 671, 1151, 1525, 3355, 5755, 12661, 16775, 28775, 63305, 70211, 316525, 351055, 772321, 1755275, 3861605, 19308025]

約数ペア:

[(1, 19308025), (5, 3861605), (11, 1755275), (25, 772321), (55, 351055), (61, 316525), (275, 70211), (305, 63305), (671, 28775), (1151, 16775), (1525, 12661), (3355, 5755)]