19054375

素因数分解:

$5^4\times {\mathrm{43}}^1\times {\mathrm{709}}^1$

素因数の和:772

約数の個数: 20

約数和(自身を含む): 24398440

約数和(自身を除く): 5344065

約数列:

[1, 5, 25, 43, 125, 215, 625, 709, 1075, 3545, 5375, 17725, 26875, 30487, 88625, 152435, 443125, 762175, 3810875, 19054375]

約数ペア:

[(1, 19054375), (5, 3810875), (25, 762175), (43, 443125), (125, 152435), (215, 88625), (625, 30487), (709, 26875), (1075, 17725), (3545, 5375)]