18189346

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:167

約数の個数: 48

約数和(自身を含む): 34015680

約数和(自身を除く): 15826334

約数列:

[1, 2, 7, 14, 19, 38, 59, 61, 118, 122, 133, 266, 361, 413, 427, 722, 826, 854, 1121, 1159, 2242, 2318, 2527, 3599, 5054, 7198, 7847, 8113, 15694, 16226, 21299, 22021, 25193, 42598, 44042, 50386, 68381, 136762, 149093, 154147, 298186, 308294, 478667, 957334, 1299239, 2598478, 9094673, 18189346]

約数ペア:

[(1, 18189346), (2, 9094673), (7, 2598478), (14, 1299239), (19, 957334), (38, 478667), (59, 308294), (61, 298186), (118, 154147), (122, 149093), (133, 136762), (266, 68381), (361, 50386), (413, 44042), (427, 42598), (722, 25193), (826, 22021), (854, 21299), (1121, 16226), (1159, 15694), (2242, 8113), (2318, 7847), (2527, 7198), (3599, 5054)]