19556831

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:148

約数の個数: 32

約数和(自身を含む): 24806400

約数和(自身を除く): 5249569

約数列:

[1, 7, 23, 37, 49, 67, 161, 259, 343, 469, 851, 1127, 1541, 1813, 2479, 3283, 5957, 7889, 10787, 12691, 17353, 22981, 41699, 57017, 75509, 121471, 291893, 399119, 528563, 850297, 2793833, 19556831]

約数ペア:

[(1, 19556831), (7, 2793833), (23, 850297), (37, 528563), (49, 399119), (67, 291893), (161, 121471), (259, 75509), (343, 57017), (469, 41699), (851, 22981), (1127, 17353), (1541, 12691), (1813, 10787), (2479, 7889), (3283, 5957)]