18184545

素因数分解:

$3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4001}}^1$

素因数の和:4113

約数の個数: 24

約数和(自身を含む): 31839912

約数和(自身を除く): 13655367

約数列:

[1, 3, 5, 9, 15, 45, 101, 303, 505, 909, 1515, 4001, 4545, 12003, 20005, 36009, 60015, 180045, 404101, 1212303, 2020505, 3636909, 6061515, 18184545]

約数ペア:

[(1, 18184545), (3, 6061515), (5, 3636909), (9, 2020505), (15, 1212303), (45, 404101), (101, 180045), (303, 60015), (505, 36009), (909, 20005), (1515, 12003), (4001, 4545)]