18523456

素因数分解:

$2^6\times 7^1\times {\mathrm{173}}^1\times {\mathrm{239}}^1$

素因数の和:431

約数の個数: 56

約数和(自身を含む): 42428160

約数和(自身を除く): 23904704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 173, 224, 239, 346, 448, 478, 692, 956, 1211, 1384, 1673, 1912, 2422, 2768, 3346, 3824, 4844, 5536, 6692, 7648, 9688, 11072, 13384, 15296, 19376, 26768, 38752, 41347, 53536, 77504, 82694, 107072, 165388, 289429, 330776, 578858, 661552, 1157716, 1323104, 2315432, 2646208, 4630864, 9261728, 18523456]

約数ペア:

[(1, 18523456), (2, 9261728), (4, 4630864), (7, 2646208), (8, 2315432), (14, 1323104), (16, 1157716), (28, 661552), (32, 578858), (56, 330776), (64, 289429), (112, 165388), (173, 107072), (224, 82694), (239, 77504), (346, 53536), (448, 41347), (478, 38752), (692, 26768), (956, 19376), (1211, 15296), (1384, 13384), (1673, 11072), (1912, 9688), (2422, 7648), (2768, 6692), (3346, 5536), (3824, 4844)]