18915522

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{1213}}^1$

素因数の和:1354

約数の個数: 32

約数和(自身を含む): 39858048

約数和(自身を除く): 20942526

約数列:

[1, 2, 3, 6, 23, 46, 69, 113, 138, 226, 339, 678, 1213, 2426, 2599, 3639, 5198, 7278, 7797, 15594, 27899, 55798, 83697, 137069, 167394, 274138, 411207, 822414, 3152587, 6305174, 9457761, 18915522]

約数ペア:

[(1, 18915522), (2, 9457761), (3, 6305174), (6, 3152587), (23, 822414), (46, 411207), (69, 274138), (113, 167394), (138, 137069), (226, 83697), (339, 55798), (678, 27899), (1213, 15594), (2426, 7797), (2599, 7278), (3639, 5198)]