19331920

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1447}}^1$

素因数の和:1627

約数の個数: 40

約数和(自身を含む): 45247104

約数和(自身を除く): 25915184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1447, 1670, 2672, 2894, 3340, 5788, 6680, 7235, 11576, 13360, 14470, 23152, 28940, 57880, 115760, 241649, 483298, 966596, 1208245, 1933192, 2416490, 3866384, 4832980, 9665960, 19331920]

約数ペア:

[(1, 19331920), (2, 9665960), (4, 4832980), (5, 3866384), (8, 2416490), (10, 1933192), (16, 1208245), (20, 966596), (40, 483298), (80, 241649), (167, 115760), (334, 57880), (668, 28940), (835, 23152), (1336, 14470), (1447, 13360), (1670, 11576), (2672, 7235), (2894, 6680), (3340, 5788)]