18393260

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{12953}}^1$

素因数の和:13033

約数の個数: 24

約数和(自身を含む): 39172896

約数和(自身を除く): 20779636

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 12953, 25906, 51812, 64765, 129530, 259060, 919663, 1839326, 3678652, 4598315, 9196630, 18393260]

約数ペア:

[(1, 18393260), (2, 9196630), (4, 4598315), (5, 3678652), (10, 1839326), (20, 919663), (71, 259060), (142, 129530), (284, 64765), (355, 51812), (710, 25906), (1420, 12953)]