19824375

素因数分解:

$3^1\times 5^4\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:229

約数の個数: 40

約数和(自身を含む): 33676720

約数和(自身を除く): 13852345

約数列:

[1, 3, 5, 15, 25, 75, 97, 109, 125, 291, 327, 375, 485, 545, 625, 1455, 1635, 1875, 2425, 2725, 7275, 8175, 10573, 12125, 13625, 31719, 36375, 40875, 52865, 60625, 68125, 158595, 181875, 204375, 264325, 792975, 1321625, 3964875, 6608125, 19824375]

約数ペア:

[(1, 19824375), (3, 6608125), (5, 3964875), (15, 1321625), (25, 792975), (75, 264325), (97, 204375), (109, 181875), (125, 158595), (291, 68125), (327, 60625), (375, 52865), (485, 40875), (545, 36375), (625, 31719), (1455, 13625), (1635, 12125), (1875, 10573), (2425, 8175), (2725, 7275)]