20189590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{106261}}^1$

素因数の和:106287

約数の個数: 16

約数和(自身を含む): 38254320

約数和(自身を除く): 18064730

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 106261, 212522, 531305, 1062610, 2018959, 4037918, 10094795, 20189590]

約数ペア:

[(1, 20189590), (2, 10094795), (5, 4037918), (10, 2018959), (19, 1062610), (38, 531305), (95, 212522), (190, 106261)]