18839072

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2713}}^1$

素因数の和:2761

約数の個数: 48

約数和(自身を含む): 43771392

約数和(自身を除く): 24932320

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 992, 1736, 2713, 3472, 5426, 6944, 10852, 18991, 21704, 37982, 43408, 75964, 84103, 86816, 151928, 168206, 303856, 336412, 588721, 607712, 672824, 1177442, 1345648, 2354884, 2691296, 4709768, 9419536, 18839072]

約数ペア:

[(1, 18839072), (2, 9419536), (4, 4709768), (7, 2691296), (8, 2354884), (14, 1345648), (16, 1177442), (28, 672824), (31, 607712), (32, 588721), (56, 336412), (62, 303856), (112, 168206), (124, 151928), (217, 86816), (224, 84103), (248, 75964), (434, 43408), (496, 37982), (868, 21704), (992, 18991), (1736, 10852), (2713, 6944), (3472, 5426)]