19398032

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{10729}}^1$

素因数の和:10850

約数の個数: 20

約数和(自身を含む): 37919820

約数和(自身を除く): 18521788

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 10729, 21458, 42916, 85832, 171664, 1212377, 2424754, 4849508, 9699016, 19398032]

約数ペア:

[(1, 19398032), (2, 9699016), (4, 4849508), (8, 2424754), (16, 1212377), (113, 171664), (226, 85832), (452, 42916), (904, 21458), (1808, 10729)]