19504875

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{4001}}^1$

素因数の和:4032

約数の個数: 32

約数和(自身を含む): 34961472

約数和(自身を除く): 15456597

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 975, 1625, 4001, 4875, 12003, 20005, 52013, 60015, 100025, 156039, 260065, 300075, 500125, 780195, 1300325, 1500375, 3900975, 6501625, 19504875]

約数ペア:

[(1, 19504875), (3, 6501625), (5, 3900975), (13, 1500375), (15, 1300325), (25, 780195), (39, 500125), (65, 300075), (75, 260065), (125, 156039), (195, 100025), (325, 60015), (375, 52013), (975, 20005), (1625, 12003), (4001, 4875)]