19738496

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 42742080

約数和(自身を除く): 23003584

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 47, 64, 68, 94, 128, 136, 188, 193, 272, 376, 386, 544, 752, 772, 799, 1088, 1504, 1544, 1598, 2176, 3008, 3088, 3196, 3281, 6016, 6176, 6392, 6562, 9071, 12352, 12784, 13124, 18142, 24704, 25568, 26248, 36284, 51136, 52496, 72568, 102272, 104992, 145136, 154207, 209984, 290272, 308414, 419968, 580544, 616828, 1161088, 1233656, 2467312, 4934624, 9869248, 19738496]

約数ペア:

[(1, 19738496), (2, 9869248), (4, 4934624), (8, 2467312), (16, 1233656), (17, 1161088), (32, 616828), (34, 580544), (47, 419968), (64, 308414), (68, 290272), (94, 209984), (128, 154207), (136, 145136), (188, 104992), (193, 102272), (272, 72568), (376, 52496), (386, 51136), (544, 36284), (752, 26248), (772, 25568), (799, 24704), (1088, 18142), (1504, 13124), (1544, 12784), (1598, 12352), (2176, 9071), (3008, 6562), (3088, 6392), (3196, 6176), (3281, 6016)]