18696670

素因数分解:

$2^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{7109}}^1$

素因数の和:7379

約数の個数: 16

約数和(自身を含む): 33786720

約数和(自身を除く): 15090050

約数列:

[1, 2, 5, 10, 263, 526, 1315, 2630, 7109, 14218, 35545, 71090, 1869667, 3739334, 9348335, 18696670]

約数ペア:

[(1, 18696670), (2, 9348335), (5, 3739334), (10, 1869667), (263, 71090), (526, 35545), (1315, 14218), (2630, 7109)]