19873125

素因数分解:

$3^2\times 5^4\times {\mathrm{3533}}^1$

素因数の和:3559

約数の個数: 30

約数和(自身を含む): 35880702

約数和(自身を除く): 16007577

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 625, 1125, 1875, 3533, 5625, 10599, 17665, 31797, 52995, 88325, 158985, 264975, 441625, 794925, 1324875, 2208125, 3974625, 6624375, 19873125]

約数ペア:

[(1, 19873125), (3, 6624375), (5, 3974625), (9, 2208125), (15, 1324875), (25, 794925), (45, 441625), (75, 264975), (125, 158985), (225, 88325), (375, 52995), (625, 31797), (1125, 17665), (1875, 10599), (3533, 5625)]