18880212069

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{547}}^1\times {\mathrm{641}}^1$

素因数の和:1418

約数の個数: 48

約数和(自身を含む): 28392958464

約数和(自身を除く): 9512746395

約数列:

[1, 3, 9, 31, 93, 193, 279, 547, 579, 641, 1641, 1737, 1923, 4923, 5769, 5983, 16957, 17949, 19871, 50871, 53847, 59613, 105571, 123713, 152613, 178839, 316713, 350627, 371139, 950139, 1051881, 1113417, 3155643, 3272701, 3835103, 9818103, 10869437, 11505309, 29454309, 32608311, 34515927, 67671011, 97824933, 203013033, 609039099, 2097801341, 6293404023, 18880212069]

約数ペア:

[(1, 18880212069), (3, 6293404023), (9, 2097801341), (31, 609039099), (93, 203013033), (193, 97824933), (279, 67671011), (547, 34515927), (579, 32608311), (641, 29454309), (1641, 11505309), (1737, 10869437), (1923, 9818103), (4923, 3835103), (5769, 3272701), (5983, 3155643), (16957, 1113417), (17949, 1051881), (19871, 950139), (50871, 371139), (53847, 350627), (59613, 316713), (105571, 178839), (123713, 152613)]