19286145

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9967}}^1$

素因数の和:10021

約数の個数: 24

約数和(自身を含む): 34210176

約数和(自身を除く): 14924031

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 9967, 29901, 49835, 89703, 149505, 428581, 448515, 1285743, 2142905, 3857229, 6428715, 19286145]

約数ペア:

[(1, 19286145), (3, 6428715), (5, 3857229), (9, 2142905), (15, 1285743), (43, 448515), (45, 428581), (129, 149505), (215, 89703), (387, 49835), (645, 29901), (1935, 9967)]