19998070

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{105253}}^1$

素因数の和:105279

約数の個数: 16

約数和(自身を含む): 37891440

約数和(自身を除く): 17893370

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 105253, 210506, 526265, 1052530, 1999807, 3999614, 9999035, 19998070]

約数ペア:

[(1, 19998070), (2, 9999035), (5, 3999614), (10, 1999807), (19, 1052530), (38, 526265), (95, 210506), (190, 105253)]