19701072

素因数分解:

$2^4\times 3^2\times {\mathrm{136813}}^1$

素因数の和:136827

約数の個数: 30

約数和(自身を含む): 55136042

約数和(自身を除く): 35434970

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 136813, 273626, 410439, 547252, 820878, 1094504, 1231317, 1641756, 2189008, 2462634, 3283512, 4925268, 6567024, 9850536, 19701072]

約数ペア:

[(1, 19701072), (2, 9850536), (3, 6567024), (4, 4925268), (6, 3283512), (8, 2462634), (9, 2189008), (12, 1641756), (16, 1231317), (18, 1094504), (24, 820878), (36, 547252), (48, 410439), (72, 273626), (144, 136813)]