18867856

素因数分解:

$2^4\times 7^1\times {\mathrm{168463}}^1$

素因数の和:168478

約数の個数: 20

約数和(自身を含む): 41779072

約数和(自身を除く): 22911216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 168463, 336926, 673852, 1179241, 1347704, 2358482, 2695408, 4716964, 9433928, 18867856]

約数ペア:

[(1, 18867856), (2, 9433928), (4, 4716964), (7, 2695408), (8, 2358482), (14, 1347704), (16, 1179241), (28, 673852), (56, 336926), (112, 168463)]