18489742

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{1319}}^1$

素因数の和:1527

約数の個数: 16

約数和(自身を含む): 28575360

約数和(自身を除く): 10085618

約数列:

[1, 2, 43, 86, 163, 326, 1319, 2638, 7009, 14018, 56717, 113434, 214997, 429994, 9244871, 18489742]

約数ペア:

[(1, 18489742), (2, 9244871), (43, 429994), (86, 214997), (163, 113434), (326, 56717), (1319, 14018), (2638, 7009)]