19912326

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{761}}^1$

素因数の和:869

約数の個数: 48

約数和(自身を含む): 46908720

約数和(自身を除く): 26996394

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 89, 98, 147, 178, 267, 294, 534, 623, 761, 1246, 1522, 1869, 2283, 3738, 4361, 4566, 5327, 8722, 10654, 13083, 15981, 26166, 31962, 37289, 67729, 74578, 111867, 135458, 203187, 223734, 406374, 474103, 948206, 1422309, 2844618, 3318721, 6637442, 9956163, 19912326]

約数ペア:

[(1, 19912326), (2, 9956163), (3, 6637442), (6, 3318721), (7, 2844618), (14, 1422309), (21, 948206), (42, 474103), (49, 406374), (89, 223734), (98, 203187), (147, 135458), (178, 111867), (267, 74578), (294, 67729), (534, 37289), (623, 31962), (761, 26166), (1246, 15981), (1522, 13083), (1869, 10654), (2283, 8722), (3738, 5327), (4361, 4566)]