18979872

素因数分解:

$2^5\times 3^1\times {\mathrm{211}}^1\times {\mathrm{937}}^1$

素因数の和:1161

約数の個数: 48

約数和(自身を含む): 50111712

約数和(自身を除く): 31131840

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 211, 422, 633, 844, 937, 1266, 1688, 1874, 2532, 2811, 3376, 3748, 5064, 5622, 6752, 7496, 10128, 11244, 14992, 20256, 22488, 29984, 44976, 89952, 197707, 395414, 593121, 790828, 1186242, 1581656, 2372484, 3163312, 4744968, 6326624, 9489936, 18979872]

約数ペア:

[(1, 18979872), (2, 9489936), (3, 6326624), (4, 4744968), (6, 3163312), (8, 2372484), (12, 1581656), (16, 1186242), (24, 790828), (32, 593121), (48, 395414), (96, 197707), (211, 89952), (422, 44976), (633, 29984), (844, 22488), (937, 20256), (1266, 14992), (1688, 11244), (1874, 10128), (2532, 7496), (2811, 6752), (3376, 5622), (3748, 5064)]