19847814

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^2\times {\mathrm{127}}^1$

素因数の和:261

約数の個数: 48

約数和(自身を含む): 46485504

約数和(自身を除く): 26637690

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 122, 127, 183, 254, 366, 381, 427, 762, 854, 889, 1281, 1778, 2562, 2667, 3721, 5334, 7442, 7747, 11163, 15494, 22326, 23241, 26047, 46482, 52094, 54229, 78141, 108458, 156282, 162687, 325374, 472567, 945134, 1417701, 2835402, 3307969, 6615938, 9923907, 19847814]

約数ペア:

[(1, 19847814), (2, 9923907), (3, 6615938), (6, 3307969), (7, 2835402), (14, 1417701), (21, 945134), (42, 472567), (61, 325374), (122, 162687), (127, 156282), (183, 108458), (254, 78141), (366, 54229), (381, 52094), (427, 46482), (762, 26047), (854, 23241), (889, 22326), (1281, 15494), (1778, 11163), (2562, 7747), (2667, 7442), (3721, 5334)]