9919856

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{21379}}^1$

素因数の和:21416

約数の個数: 20

約数和(自身を含む): 19883400

約数和(自身を除く): 9963544

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 21379, 42758, 85516, 171032, 342064, 619991, 1239982, 2479964, 4959928, 9919856]

約数ペア:

[(1, 9919856), (2, 4959928), (4, 2479964), (8, 1239982), (16, 619991), (29, 342064), (58, 171032), (116, 85516), (232, 42758), (464, 21379)]