19929112

素因数分解:

$2^3\times 7^1\times {\mathrm{167}}^1\times {\mathrm{2131}}^1$

素因数の和:2311

約数の個数: 32

約数和(自身を含む): 42981120

約数和(自身を除く): 23052008

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 167, 334, 668, 1169, 1336, 2131, 2338, 4262, 4676, 8524, 9352, 14917, 17048, 29834, 59668, 119336, 355877, 711754, 1423508, 2491139, 2847016, 4982278, 9964556, 19929112]

約数ペア:

[(1, 19929112), (2, 9964556), (4, 4982278), (7, 2847016), (8, 2491139), (14, 1423508), (28, 711754), (56, 355877), (167, 119336), (334, 59668), (668, 29834), (1169, 17048), (1336, 14917), (2131, 9352), (2338, 8524), (4262, 4676)]