17190820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2381}}^1$

素因数の和:2428

約数の個数: 36

約数和(自身を含む): 38116764

約数和(自身を除く): 20925944

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 2381, 3610, 4762, 7220, 9524, 11905, 23810, 45239, 47620, 90478, 180956, 226195, 452390, 859541, 904780, 1719082, 3438164, 4297705, 8595410, 17190820]

約数ペア:

[(1, 17190820), (2, 8595410), (4, 4297705), (5, 3438164), (10, 1719082), (19, 904780), (20, 859541), (38, 452390), (76, 226195), (95, 180956), (190, 90478), (361, 47620), (380, 45239), (722, 23810), (1444, 11905), (1805, 9524), (2381, 7220), (3610, 4762)]