19029591

素因数分解:

$3^2\times 7^2\times {\mathrm{43151}}^1$

素因数の和:43171

約数の個数: 18

約数和(自身を含む): 31975632

約数和(自身を除く): 12946041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 43151, 129453, 302057, 388359, 906171, 2114399, 2718513, 6343197, 19029591]

約数ペア:

[(1, 19029591), (3, 6343197), (7, 2718513), (9, 2114399), (21, 906171), (49, 388359), (63, 302057), (147, 129453), (441, 43151)]