18939225

素因数分解:

$3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{3769}}^1$

素因数の和:3849

約数の個数: 24

約数和(自身を含む): 31788640

約数和(自身を除く): 12849415

約数列:

[1, 3, 5, 15, 25, 67, 75, 201, 335, 1005, 1675, 3769, 5025, 11307, 18845, 56535, 94225, 252523, 282675, 757569, 1262615, 3787845, 6313075, 18939225]

約数ペア:

[(1, 18939225), (3, 6313075), (5, 3787845), (15, 1262615), (25, 757569), (67, 282675), (75, 252523), (201, 94225), (335, 56535), (1005, 18845), (1675, 11307), (3769, 5025)]