18994872

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2647}}^1$

素因数の和:2692

約数の個数: 64

約数和(自身を含む): 53383680

約数和(自身を除く): 34388808

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 46, 52, 69, 78, 92, 104, 138, 156, 184, 276, 299, 312, 552, 598, 897, 1196, 1794, 2392, 2647, 3588, 5294, 7176, 7941, 10588, 15882, 21176, 31764, 34411, 60881, 63528, 68822, 103233, 121762, 137644, 182643, 206466, 243524, 275288, 365286, 412932, 487048, 730572, 791453, 825864, 1461144, 1582906, 2374359, 3165812, 4748718, 6331624, 9497436, 18994872]

約数ペア:

[(1, 18994872), (2, 9497436), (3, 6331624), (4, 4748718), (6, 3165812), (8, 2374359), (12, 1582906), (13, 1461144), (23, 825864), (24, 791453), (26, 730572), (39, 487048), (46, 412932), (52, 365286), (69, 275288), (78, 243524), (92, 206466), (104, 182643), (138, 137644), (156, 121762), (184, 103233), (276, 68822), (299, 63528), (312, 60881), (552, 34411), (598, 31764), (897, 21176), (1196, 15882), (1794, 10588), (2392, 7941), (2647, 7176), (3588, 5294)]