18044481

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1$

素因数の和:601

約数の個数: 32

約数和(自身を含む): 29870848

約数和(自身を除く): 11826367

約数列:

[1, 3, 7, 13, 21, 39, 91, 157, 273, 421, 471, 1099, 1263, 2041, 2947, 3297, 5473, 6123, 8841, 14287, 16419, 38311, 42861, 66097, 114933, 198291, 462679, 859261, 1388037, 2577783, 6014827, 18044481]

約数ペア:

[(1, 18044481), (3, 6014827), (7, 2577783), (13, 1388037), (21, 859261), (39, 462679), (91, 198291), (157, 114933), (273, 66097), (421, 42861), (471, 38311), (1099, 16419), (1263, 14287), (2041, 8841), (2947, 6123), (3297, 5473)]