19423225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{397}}^1$

素因数の和:529

約数の個数: 24

約数和(自身を含む): 25663040

約数和(自身を除く): 6239815

約数列:

[1, 5, 19, 25, 95, 103, 397, 475, 515, 1957, 1985, 2575, 7543, 9785, 9925, 37715, 40891, 48925, 188575, 204455, 776929, 1022275, 3884645, 19423225]

約数ペア:

[(1, 19423225), (5, 3884645), (19, 1022275), (25, 776929), (95, 204455), (103, 188575), (397, 48925), (475, 40891), (515, 37715), (1957, 9925), (1985, 9785), (2575, 7543)]