18905076916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1\times {\mathrm{2633}}^1$

素因数の和:3025

約数の個数: 96

約数和(自身を含む): 39666775680

約数和(自身を除く): 20761698764

約数列:

[1, 2, 4, 11, 17, 22, 29, 34, 44, 58, 68, 116, 187, 319, 331, 374, 493, 638, 662, 748, 986, 1276, 1324, 1972, 2633, 3641, 5266, 5423, 5627, 7282, 9599, 10532, 10846, 11254, 14564, 19198, 21692, 22508, 28963, 38396, 44761, 57926, 61897, 76357, 89522, 105589, 115852, 123794, 152714, 163183, 179044, 211178, 247588, 305428, 326366, 422356, 492371, 652732, 839927, 871523, 984742, 1298069, 1679854, 1743046, 1795013, 1969484, 2596138, 3359708, 3486092, 3590026, 5192276, 7180052, 9586753, 14278759, 14815891, 19173506, 25274167, 28557518, 29631782, 38347012, 50548334, 57115036, 59263564, 101096668, 162974801, 278015837, 325949602, 429660839, 556031674, 651899204, 859321678, 1112063348, 1718643356, 4726269229, 9452538458, 18905076916]

約数ペア:

[(1, 18905076916), (2, 9452538458), (4, 4726269229), (11, 1718643356), (17, 1112063348), (22, 859321678), (29, 651899204), (34, 556031674), (44, 429660839), (58, 325949602), (68, 278015837), (116, 162974801), (187, 101096668), (319, 59263564), (331, 57115036), (374, 50548334), (493, 38347012), (638, 29631782), (662, 28557518), (748, 25274167), (986, 19173506), (1276, 14815891), (1324, 14278759), (1972, 9586753), (2633, 7180052), (3641, 5192276), (5266, 3590026), (5423, 3486092), (5627, 3359708), (7282, 2596138), (9599, 1969484), (10532, 1795013), (10846, 1743046), (11254, 1679854), (14564, 1298069), (19198, 984742), (21692, 871523), (22508, 839927), (28963, 652732), (38396, 492371), (44761, 422356), (57926, 326366), (61897, 305428), (76357, 247588), (89522, 211178), (105589, 179044), (115852, 163183), (123794, 152714)]