19035455

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^2\times {\mathrm{71}}^1$

素因数の和:191

約数の個数: 24

約数和(自身を含む): 24533280

約数和(自身を除く): 5497825

約数列:

[1, 5, 29, 43, 71, 145, 215, 355, 1247, 1849, 2059, 3053, 6235, 9245, 10295, 15265, 53621, 88537, 131279, 268105, 442685, 656395, 3807091, 19035455]

約数ペア:

[(1, 19035455), (5, 3807091), (29, 656395), (43, 442685), (71, 268105), (145, 131279), (215, 88537), (355, 53621), (1247, 15265), (1849, 10295), (2059, 9245), (3053, 6235)]