201639590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1061261}}^1$

素因数の和:1061287

約数の個数: 16

約数和(自身を含む): 382054320

約数和(自身を除く): 180414730

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 1061261, 2122522, 5306305, 10612610, 20163959, 40327918, 100819795, 201639590]

約数ペア:

[(1, 201639590), (2, 100819795), (5, 40327918), (10, 20163959), (19, 10612610), (38, 5306305), (95, 2122522), (190, 1061261)]