210877390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1109881}}^1$

素因数の和:1109907

約数の個数: 16

約数和(自身を含む): 399557520

約数和(自身を除く): 188680130

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 1109881, 2219762, 5549405, 11098810, 21087739, 42175478, 105438695, 210877390]

約数ペア:

[(1, 210877390), (2, 105438695), (5, 42175478), (10, 21087739), (19, 11098810), (38, 5549405), (95, 2219762), (190, 1109881)]