19243665

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{61091}}^1$

素因数の和:61109

約数の個数: 24

約数和(自身を含む): 38121408

約数和(自身を除く): 18877743

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 61091, 183273, 305455, 427637, 549819, 916365, 1282911, 2138185, 2749095, 3848733, 6414555, 19243665]

約数ペア:

[(1, 19243665), (3, 6414555), (5, 3848733), (7, 2749095), (9, 2138185), (15, 1282911), (21, 916365), (35, 549819), (45, 427637), (63, 305455), (105, 183273), (315, 61091)]