19838025

素因数分解:

$3^2\times 5^2\times {\mathrm{88169}}^1$

素因数の和:88185

約数の個数: 18

約数和(自身を含む): 35532510

約数和(自身を除く): 15694485

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 88169, 264507, 440845, 793521, 1322535, 2204225, 3967605, 6612675, 19838025]

約数ペア:

[(1, 19838025), (3, 6612675), (5, 3967605), (9, 2204225), (15, 1322535), (25, 793521), (45, 440845), (75, 264507), (225, 88169)]