18890522

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1511}}^1$

素因数の和:1586

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 15945958

約数列:

[1, 2, 7, 14, 19, 38, 47, 94, 133, 266, 329, 658, 893, 1511, 1786, 3022, 6251, 10577, 12502, 21154, 28709, 57418, 71017, 142034, 200963, 401926, 497119, 994238, 1349323, 2698646, 9445261, 18890522]

約数ペア:

[(1, 18890522), (2, 9445261), (7, 2698646), (14, 1349323), (19, 994238), (38, 497119), (47, 401926), (94, 200963), (133, 142034), (266, 71017), (329, 57418), (658, 28709), (893, 21154), (1511, 12502), (1786, 10577), (3022, 6251)]