18804946779

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1\times {\mathrm{3793}}^1$

素因数の和:4264

約数の個数: 48

約数和(自身を含む): 29040793600

約数和(自身を除く): 10235846821

約数列:

[1, 3, 9, 19, 57, 79, 171, 237, 367, 711, 1101, 1501, 3303, 3793, 4503, 6973, 11379, 13509, 20919, 28993, 34137, 62757, 72067, 86979, 216201, 260937, 299647, 550867, 648603, 898941, 1392031, 1652601, 2696823, 4176093, 4957803, 5693293, 12528279, 17079879, 26448589, 51239637, 79345767, 109970449, 238037301, 329911347, 989734041, 2089438531, 6268315593, 18804946779]

約数ペア:

[(1, 18804946779), (3, 6268315593), (9, 2089438531), (19, 989734041), (57, 329911347), (79, 238037301), (171, 109970449), (237, 79345767), (367, 51239637), (711, 26448589), (1101, 17079879), (1501, 12528279), (3303, 5693293), (3793, 4957803), (4503, 4176093), (6973, 2696823), (11379, 1652601), (13509, 1392031), (20919, 898941), (28993, 648603), (34137, 550867), (62757, 299647), (72067, 260937), (86979, 216201)]