18756244

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{3371}}^1$

素因数の和:3495

約数の個数: 24

約数和(自身を含む): 35689248

約数和(自身を除く): 16933004

約数列:

[1, 2, 4, 13, 26, 52, 107, 214, 428, 1391, 2782, 3371, 5564, 6742, 13484, 43823, 87646, 175292, 360697, 721394, 1442788, 4689061, 9378122, 18756244]

約数ペア:

[(1, 18756244), (2, 9378122), (4, 4689061), (13, 1442788), (26, 721394), (52, 360697), (107, 175292), (214, 87646), (428, 43823), (1391, 13484), (2782, 6742), (3371, 5564)]