189847924

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{193}}^1$

素因数の和:309

約数の個数: 72

約数和(自身を含む): 411311040

約数和(自身を除く): 221463116

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 76, 86, 133, 172, 193, 266, 301, 386, 532, 602, 772, 817, 1204, 1351, 1634, 1849, 2702, 3268, 3667, 3698, 5404, 5719, 7334, 7396, 8299, 11438, 12943, 14668, 16598, 22876, 25669, 25886, 33196, 35131, 51338, 51772, 58093, 70262, 102676, 116186, 140524, 157681, 232372, 245917, 315362, 356857, 491834, 630724, 713714, 983668, 1103767, 1427428, 2207534, 2497999, 4415068, 4995998, 6780283, 9991996, 13560566, 27121132, 47461981, 94923962, 189847924]

約数ペア:

[(1, 189847924), (2, 94923962), (4, 47461981), (7, 27121132), (14, 13560566), (19, 9991996), (28, 6780283), (38, 4995998), (43, 4415068), (76, 2497999), (86, 2207534), (133, 1427428), (172, 1103767), (193, 983668), (266, 713714), (301, 630724), (386, 491834), (532, 356857), (602, 315362), (772, 245917), (817, 232372), (1204, 157681), (1351, 140524), (1634, 116186), (1849, 102676), (2702, 70262), (3268, 58093), (3667, 51772), (3698, 51338), (5404, 35131), (5719, 33196), (7334, 25886), (7396, 25669), (8299, 22876), (11438, 16598), (12943, 14668)]