2019797620

素因数分解:

$2^2\times 5^1\times {\mathrm{9619}}^1\times {\mathrm{10499}}^1$

素因数の和:20127

約数の個数: 24

約数和(自身を含む): 4242420000

約数和(自身を除く): 2222622380

約数列:

[1, 2, 4, 5, 10, 20, 9619, 10499, 19238, 20998, 38476, 41996, 48095, 52495, 96190, 104990, 192380, 209980, 100989881, 201979762, 403959524, 504949405, 1009898810, 2019797620]

約数ペア:

[(1, 2019797620), (2, 1009898810), (4, 504949405), (5, 403959524), (10, 201979762), (20, 100989881), (9619, 209980), (10499, 192380), (19238, 104990), (20998, 96190), (38476, 52495), (41996, 48095)]