18781642

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{1753}}^1$

素因数の和:2253

約数の個数: 16

約数和(自身を含む): 30814272

約数和(自身を除く): 12032630

約数列:

[1, 2, 11, 22, 487, 974, 1753, 3506, 5357, 10714, 19283, 38566, 853711, 1707422, 9390821, 18781642]

約数ペア:

[(1, 18781642), (2, 9390821), (11, 1707422), (22, 853711), (487, 38566), (974, 19283), (1753, 10714), (3506, 5357)]