18123425

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{733}}^1$

素因数の和:809

約数の個数: 24

約数和(自身を含む): 24028224

約数和(自身を除く): 5904799

約数列:

[1, 5, 23, 25, 43, 115, 215, 575, 733, 989, 1075, 3665, 4945, 16859, 18325, 24725, 31519, 84295, 157595, 421475, 724937, 787975, 3624685, 18123425]

約数ペア:

[(1, 18123425), (5, 3624685), (23, 787975), (25, 724937), (43, 421475), (115, 157595), (215, 84295), (575, 31519), (733, 24725), (989, 18325), (1075, 16859), (3665, 4945)]