17972385

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{3319}}^1$

素因数の和:3365

約数の個数: 24

約数和(自身を含む): 30358080

約数和(自身を除く): 12385695

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 361, 1083, 1805, 3319, 5415, 9957, 16595, 49785, 63061, 189183, 315305, 945915, 1198159, 3594477, 5990795, 17972385]

約数ペア:

[(1, 17972385), (3, 5990795), (5, 3594477), (15, 1198159), (19, 945915), (57, 315305), (95, 189183), (285, 63061), (361, 49785), (1083, 16595), (1805, 9957), (3319, 5415)]