19921384

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{8273}}^1$

素因数の和:8329

約数の個数: 32

約数和(自身を含む): 43686720

約数和(自身を除く): 23765336

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 8273, 16546, 33092, 57911, 66184, 115822, 231644, 355739, 463288, 711478, 1422956, 2490173, 2845912, 4980346, 9960692, 19921384]

約数ペア:

[(1, 19921384), (2, 9960692), (4, 4980346), (7, 2845912), (8, 2490173), (14, 1422956), (28, 711478), (43, 463288), (56, 355739), (86, 231644), (172, 115822), (301, 66184), (344, 57911), (602, 33092), (1204, 16546), (2408, 8273)]