19994050

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{13789}}^1$

素因数の和:13830

約数の個数: 24

約数和(自身を含む): 38474100

約数和(自身を除く): 18480050

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 13789, 27578, 68945, 137890, 344725, 399881, 689450, 799762, 1999405, 3998810, 9997025, 19994050]

約数ペア:

[(1, 19994050), (2, 9997025), (5, 3998810), (10, 1999405), (25, 799762), (29, 689450), (50, 399881), (58, 344725), (145, 137890), (290, 68945), (725, 27578), (1450, 13789)]