18912325

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1061}}^1$

素因数の和:1125

約数の個数: 24

約数和(自身を含む): 25284096

約数和(自身を除く): 6371771

約数列:

[1, 5, 23, 25, 31, 115, 155, 575, 713, 775, 1061, 3565, 5305, 17825, 24403, 26525, 32891, 122015, 164455, 610075, 756493, 822275, 3782465, 18912325]

約数ペア:

[(1, 18912325), (5, 3782465), (23, 822275), (25, 756493), (31, 610075), (115, 164455), (155, 122015), (575, 32891), (713, 26525), (775, 24403), (1061, 17825), (3565, 5305)]