18016605

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5639}}^1$

素因数の和:5721

約数の個数: 24

約数和(自身を含む): 31674240

約数和(自身を除く): 13657635

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 5639, 16917, 28195, 50751, 84585, 253755, 400369, 1201107, 2001845, 3603321, 6005535, 18016605]

約数ペア:

[(1, 18016605), (3, 6005535), (5, 3603321), (9, 2001845), (15, 1201107), (45, 400369), (71, 253755), (213, 84585), (355, 50751), (639, 28195), (1065, 16917), (3195, 5639)]