19893440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:214

約数の個数: 112

約数和(自身を含む): 55302912

約数和(自身を除く): 35409472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 83, 107, 112, 140, 160, 166, 214, 224, 280, 320, 332, 415, 428, 448, 535, 560, 581, 664, 749, 830, 856, 1070, 1120, 1162, 1328, 1498, 1660, 1712, 2140, 2240, 2324, 2656, 2905, 2996, 3320, 3424, 3745, 4280, 4648, 5312, 5810, 5992, 6640, 6848, 7490, 8560, 8881, 9296, 11620, 11984, 13280, 14980, 17120, 17762, 18592, 23240, 23968, 26560, 29960, 34240, 35524, 37184, 44405, 46480, 47936, 59920, 62167, 71048, 88810, 92960, 119840, 124334, 142096, 177620, 185920, 239680, 248668, 284192, 310835, 355240, 497336, 568384, 621670, 710480, 994672, 1243340, 1420960, 1989344, 2486680, 2841920, 3978688, 4973360, 9946720, 19893440]

約数ペア:

[(1, 19893440), (2, 9946720), (4, 4973360), (5, 3978688), (7, 2841920), (8, 2486680), (10, 1989344), (14, 1420960), (16, 1243340), (20, 994672), (28, 710480), (32, 621670), (35, 568384), (40, 497336), (56, 355240), (64, 310835), (70, 284192), (80, 248668), (83, 239680), (107, 185920), (112, 177620), (140, 142096), (160, 124334), (166, 119840), (214, 92960), (224, 88810), (280, 71048), (320, 62167), (332, 59920), (415, 47936), (428, 46480), (448, 44405), (535, 37184), (560, 35524), (581, 34240), (664, 29960), (749, 26560), (830, 23968), (856, 23240), (1070, 18592), (1120, 17762), (1162, 17120), (1328, 14980), (1498, 13280), (1660, 11984), (1712, 11620), (2140, 9296), (2240, 8881), (2324, 8560), (2656, 7490), (2905, 6848), (2996, 6640), (3320, 5992), (3424, 5810), (3745, 5312), (4280, 4648)]