18693945

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5851}}^1$

素因数の和:5933

約数の個数: 24

約数和(自身を含む): 32864832

約数和(自身を除く): 14170887

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 5851, 17553, 29255, 52659, 87765, 263295, 415421, 1246263, 2077105, 3738789, 6231315, 18693945]

約数ペア:

[(1, 18693945), (3, 6231315), (5, 3738789), (9, 2077105), (15, 1246263), (45, 415421), (71, 263295), (213, 87765), (355, 52659), (639, 29255), (1065, 17553), (3195, 5851)]