19717216

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{21247}}^1$

素因数の和:21286

約数の個数: 24

約数和(自身を含む): 40158720

約数和(自身を除く): 20441504

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 116, 232, 464, 928, 21247, 42494, 84988, 169976, 339952, 616163, 679904, 1232326, 2464652, 4929304, 9858608, 19717216]

約数ペア:

[(1, 19717216), (2, 9858608), (4, 4929304), (8, 2464652), (16, 1232326), (29, 679904), (32, 616163), (58, 339952), (116, 169976), (232, 84988), (464, 42494), (928, 21247)]