18915176

素因数分解:

$2^3\times 7^2\times {\mathrm{73}}^1\times {\mathrm{661}}^1$

素因数の和:754

約数の個数: 48

約数和(自身を含む): 41884740

約数和(自身を除く): 22969564

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 73, 98, 146, 196, 292, 392, 511, 584, 661, 1022, 1322, 2044, 2644, 3577, 4088, 4627, 5288, 7154, 9254, 14308, 18508, 28616, 32389, 37016, 48253, 64778, 96506, 129556, 193012, 259112, 337771, 386024, 675542, 1351084, 2364397, 2702168, 4728794, 9457588, 18915176]

約数ペア:

[(1, 18915176), (2, 9457588), (4, 4728794), (7, 2702168), (8, 2364397), (14, 1351084), (28, 675542), (49, 386024), (56, 337771), (73, 259112), (98, 193012), (146, 129556), (196, 96506), (292, 64778), (392, 48253), (511, 37016), (584, 32389), (661, 28616), (1022, 18508), (1322, 14308), (2044, 9254), (2644, 7154), (3577, 5288), (4088, 4627)]