19040864

素因数分解:

$2^5\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:267

約数の個数: 48

約数和(自身を含む): 38864448

約数和(自身を除く): 19823584

約数列:

[1, 2, 4, 8, 16, 32, 67, 83, 107, 134, 166, 214, 268, 332, 428, 536, 664, 856, 1072, 1328, 1712, 2144, 2656, 3424, 5561, 7169, 8881, 11122, 14338, 17762, 22244, 28676, 35524, 44488, 57352, 71048, 88976, 114704, 142096, 177952, 229408, 284192, 595027, 1190054, 2380108, 4760216, 9520432, 19040864]

約数ペア:

[(1, 19040864), (2, 9520432), (4, 4760216), (8, 2380108), (16, 1190054), (32, 595027), (67, 284192), (83, 229408), (107, 177952), (134, 142096), (166, 114704), (214, 88976), (268, 71048), (332, 57352), (428, 44488), (536, 35524), (664, 28676), (856, 22244), (1072, 17762), (1328, 14338), (1712, 11122), (2144, 8881), (2656, 7169), (3424, 5561)]