19387312

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:218

約数の個数: 80

約数和(自身を含む): 45711360

約数和(自身を除く): 26324048

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 47, 56, 58, 94, 112, 116, 127, 188, 203, 232, 254, 329, 376, 406, 464, 508, 658, 752, 812, 889, 1016, 1316, 1363, 1624, 1778, 2032, 2632, 2726, 3248, 3556, 3683, 5264, 5452, 5969, 7112, 7366, 9541, 10904, 11938, 14224, 14732, 19082, 21808, 23876, 25781, 29464, 38164, 41783, 47752, 51562, 58928, 76328, 83566, 95504, 103124, 152656, 167132, 173101, 206248, 334264, 346202, 412496, 668528, 692404, 1211707, 1384808, 2423414, 2769616, 4846828, 9693656, 19387312]

約数ペア:

[(1, 19387312), (2, 9693656), (4, 4846828), (7, 2769616), (8, 2423414), (14, 1384808), (16, 1211707), (28, 692404), (29, 668528), (47, 412496), (56, 346202), (58, 334264), (94, 206248), (112, 173101), (116, 167132), (127, 152656), (188, 103124), (203, 95504), (232, 83566), (254, 76328), (329, 58928), (376, 51562), (406, 47752), (464, 41783), (508, 38164), (658, 29464), (752, 25781), (812, 23876), (889, 21808), (1016, 19082), (1316, 14732), (1363, 14224), (1624, 11938), (1778, 10904), (2032, 9541), (2632, 7366), (2726, 7112), (3248, 5969), (3556, 5452), (3683, 5264)]