19803736

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2503}}^1$

素因数の和:2575

約数の個数: 32

約数和(自身を含む): 39663360

約数和(自身を除く): 19859624

約数列:

[1, 2, 4, 8, 23, 43, 46, 86, 92, 172, 184, 344, 989, 1978, 2503, 3956, 5006, 7912, 10012, 20024, 57569, 107629, 115138, 215258, 230276, 430516, 460552, 861032, 2475467, 4950934, 9901868, 19803736]

約数ペア:

[(1, 19803736), (2, 9901868), (4, 4950934), (8, 2475467), (23, 861032), (43, 460552), (46, 430516), (86, 230276), (92, 215258), (172, 115138), (184, 107629), (344, 57569), (989, 20024), (1978, 10012), (2503, 7912), (3956, 5006)]