19666075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5501}}^1$

素因数の和:5535

約数の個数: 24

約数和(自身を含む): 28654416

約数和(自身を除く): 8988341

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 5501, 27505, 60511, 71513, 137525, 302555, 357565, 786643, 1512775, 1787825, 3933215, 19666075]

約数ペア:

[(1, 19666075), (5, 3933215), (11, 1787825), (13, 1512775), (25, 786643), (55, 357565), (65, 302555), (143, 137525), (275, 71513), (325, 60511), (715, 27505), (3575, 5501)]