19450564

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{16943}}^1$

素因数の和:16995

約数の個数: 24

約数和(自身を含む): 39852288

約数和(自身を除く): 20401724

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 16943, 33886, 67772, 118601, 237202, 474404, 694663, 1389326, 2778652, 4862641, 9725282, 19450564]

約数ペア:

[(1, 19450564), (2, 9725282), (4, 4862641), (7, 2778652), (14, 1389326), (28, 694663), (41, 474404), (82, 237202), (164, 118601), (287, 67772), (574, 33886), (1148, 16943)]