20191769422

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^2\times {\mathrm{199}}^1\times {\mathrm{739}}^1$

素因数の和:1109

約数の個数: 48

約数和(自身を含む): 33678288000

約数和(自身を除く): 13486518578

約数列:

[1, 2, 11, 22, 79, 158, 199, 398, 739, 869, 1478, 1738, 2189, 4378, 6241, 8129, 12482, 15721, 16258, 31442, 58381, 68651, 116762, 137302, 147061, 172931, 294122, 345862, 642191, 1241959, 1284382, 1617671, 2483918, 3235342, 4612099, 9224198, 11617819, 13661549, 23235638, 27323098, 50733089, 101466178, 127796009, 255592018, 917807701, 1835615402, 10095884711, 20191769422]

約数ペア:

[(1, 20191769422), (2, 10095884711), (11, 1835615402), (22, 917807701), (79, 255592018), (158, 127796009), (199, 101466178), (398, 50733089), (739, 27323098), (869, 23235638), (1478, 13661549), (1738, 11617819), (2189, 9224198), (4378, 4612099), (6241, 3235342), (8129, 2483918), (12482, 1617671), (15721, 1284382), (16258, 1241959), (31442, 642191), (58381, 345862), (68651, 294122), (116762, 172931), (137302, 147061)]