19459870

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67103}}^1$

素因数の和:67139

約数の個数: 16

約数和(自身を含む): 36236160

約数和(自身を除く): 16776290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 67103, 134206, 335515, 671030, 1945987, 3891974, 9729935, 19459870]

約数ペア:

[(1, 19459870), (2, 9729935), (5, 3891974), (10, 1945987), (29, 671030), (58, 335515), (145, 134206), (290, 67103)]