19580264

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2203}}^1$

素因数の和:2321

約数の個数: 32

約数和(自身を含む): 40465440

約数和(自身を除く): 20885176

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 101, 202, 404, 808, 1111, 2203, 2222, 4406, 4444, 8812, 8888, 17624, 24233, 48466, 96932, 193864, 222503, 445006, 890012, 1780024, 2447533, 4895066, 9790132, 19580264]

約数ペア:

[(1, 19580264), (2, 9790132), (4, 4895066), (8, 2447533), (11, 1780024), (22, 890012), (44, 445006), (88, 222503), (101, 193864), (202, 96932), (404, 48466), (808, 24233), (1111, 17624), (2203, 8888), (2222, 8812), (4406, 4444)]