18789715959

素因数分解:

$3^1\times 7^3\times {\mathrm{853}}^1\times {\mathrm{21407}}^1$

素因数の和:22284

約数の個数: 32

約数和(自身を含む): 29251891200

約数和(自身を除く): 10462175241

約数列:

[1, 3, 7, 21, 49, 147, 343, 853, 1029, 2559, 5971, 17913, 21407, 41797, 64221, 125391, 149849, 292579, 449547, 877737, 1048943, 3146829, 7342601, 18260171, 22027803, 54780513, 127821197, 383463591, 894748379, 2684245137, 6263238653, 18789715959]

約数ペア:

[(1, 18789715959), (3, 6263238653), (7, 2684245137), (21, 894748379), (49, 383463591), (147, 127821197), (343, 54780513), (853, 22027803), (1029, 18260171), (2559, 7342601), (5971, 3146829), (17913, 1048943), (21407, 877737), (41797, 449547), (64221, 292579), (125391, 149849)]