19906598881

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1801}}^1\times {\mathrm{27427}}^1$

素因数の和:29272

約数の個数: 16

約数和(自身を含む): 22142514688

約数和(自身を除く): 2235915807

約数列:

[1, 13, 31, 403, 1801, 23413, 27427, 55831, 356551, 725803, 850237, 11053081, 49396027, 642148351, 1531276837, 19906598881]

約数ペア:

[(1, 19906598881), (13, 1531276837), (31, 642148351), (403, 49396027), (1801, 11053081), (23413, 850237), (27427, 725803), (55831, 356551)]