19401225

素因数分解:

$3^1\times 5^2\times {\mathrm{167}}^1\times {\mathrm{1549}}^1$

素因数の和:1729

約数の個数: 24

約数和(自身を含む): 32289600

約数和(自身を除く): 12888375

約数列:

[1, 3, 5, 15, 25, 75, 167, 501, 835, 1549, 2505, 4175, 4647, 7745, 12525, 23235, 38725, 116175, 258683, 776049, 1293415, 3880245, 6467075, 19401225]

約数ペア:

[(1, 19401225), (3, 6467075), (5, 3880245), (15, 1293415), (25, 776049), (75, 258683), (167, 116175), (501, 38725), (835, 23235), (1549, 12525), (2505, 7745), (4175, 4647)]