18188985

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{3359}}^1$

素因数の和:3405

約数の個数: 24

約数和(自身を含む): 30723840

約数和(自身を除く): 12534855

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 361, 1083, 1805, 3359, 5415, 10077, 16795, 50385, 63821, 191463, 319105, 957315, 1212599, 3637797, 6062995, 18188985]

約数ペア:

[(1, 18188985), (3, 6062995), (5, 3637797), (15, 1212599), (19, 957315), (57, 319105), (95, 191463), (285, 63821), (361, 50385), (1083, 16795), (1805, 10077), (3359, 5415)]