19615876

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{2441}}^1$

素因数の和:2500

約数の個数: 36

約数和(自身を含む): 40923036

約数和(自身を除く): 21307160

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 164, 196, 287, 574, 1148, 2009, 2441, 4018, 4882, 8036, 9764, 17087, 34174, 68348, 100081, 119609, 200162, 239218, 400324, 478436, 700567, 1401134, 2802268, 4903969, 9807938, 19615876]

約数ペア:

[(1, 19615876), (2, 9807938), (4, 4903969), (7, 2802268), (14, 1401134), (28, 700567), (41, 478436), (49, 400324), (82, 239218), (98, 200162), (164, 119609), (196, 100081), (287, 68348), (574, 34174), (1148, 17087), (2009, 9764), (2441, 8036), (4018, 4882)]