19856416

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{21397}}^1$

素因数の和:21436

約数の個数: 24

約数和(自身を含む): 40442220

約数和(自身を除く): 20585804

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 116, 232, 464, 928, 21397, 42794, 85588, 171176, 342352, 620513, 684704, 1241026, 2482052, 4964104, 9928208, 19856416]

約数ペア:

[(1, 19856416), (2, 9928208), (4, 4964104), (8, 2482052), (16, 1241026), (29, 684704), (32, 620513), (58, 342352), (116, 171176), (232, 85588), (464, 42794), (928, 21397)]