15853790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{461}}^1$

素因数の和:668

約数の個数: 32

約数和(自身を含む): 30270240

約数和(自身を除く): 14416450

約数列:

[1, 2, 5, 10, 19, 38, 95, 181, 190, 362, 461, 905, 922, 1810, 2305, 3439, 4610, 6878, 8759, 17195, 17518, 34390, 43795, 83441, 87590, 166882, 417205, 834410, 1585379, 3170758, 7926895, 15853790]

約数ペア:

[(1, 15853790), (2, 7926895), (5, 3170758), (10, 1585379), (19, 834410), (38, 417205), (95, 166882), (181, 87590), (190, 83441), (362, 43795), (461, 34390), (905, 17518), (922, 17195), (1810, 8759), (2305, 6878), (3439, 4610)]