18104821

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{317}}^1$

素因数の和:564

約数の個数: 16

約数和(自身を含む): 21369600

約数和(自身を除く): 3264779

約数列:

[1, 7, 41, 199, 287, 317, 1393, 2219, 8159, 12997, 57113, 63083, 90979, 441581, 2586403, 18104821]

約数ペア:

[(1, 18104821), (7, 2586403), (41, 441581), (199, 90979), (287, 63083), (317, 57113), (1393, 12997), (2219, 8159)]