19785104

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{6277}}^1$

素因数の和:6482

約数の個数: 20

約数和(自身を含む): 38534364

約数和(自身を除く): 18749260

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 6277, 12554, 25108, 50216, 100432, 1236569, 2473138, 4946276, 9892552, 19785104]

約数ペア:

[(1, 19785104), (2, 9892552), (4, 4946276), (8, 2473138), (16, 1236569), (197, 100432), (394, 50216), (788, 25108), (1576, 12554), (3152, 6277)]