18769375

素因数分解:

$5^4\times {\mathrm{59}}^1\times {\mathrm{509}}^1$

素因数の和:588

約数の個数: 20

約数和(自身を含む): 23898600

約数和(自身を除く): 5129225

約数列:

[1, 5, 25, 59, 125, 295, 509, 625, 1475, 2545, 7375, 12725, 30031, 36875, 63625, 150155, 318125, 750775, 3753875, 18769375]

約数ペア:

[(1, 18769375), (5, 3753875), (25, 750775), (59, 318125), (125, 150155), (295, 63625), (509, 36875), (625, 30031), (1475, 12725), (2545, 7375)]