16690778

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:183

約数の個数: 48

約数和(自身を含む): 30041280

約数和(自身を除く): 13350502

約数列:

[1, 2, 13, 19, 23, 26, 38, 46, 113, 169, 226, 247, 299, 338, 437, 494, 598, 874, 1469, 2147, 2599, 2938, 3211, 3887, 4294, 5198, 5681, 6422, 7774, 11362, 19097, 27911, 33787, 38194, 49381, 55822, 67574, 73853, 98762, 147706, 362843, 439231, 641953, 725686, 878462, 1283906, 8345389, 16690778]

約数ペア:

[(1, 16690778), (2, 8345389), (13, 1283906), (19, 878462), (23, 725686), (26, 641953), (38, 439231), (46, 362843), (113, 147706), (169, 98762), (226, 73853), (247, 67574), (299, 55822), (338, 49381), (437, 38194), (494, 33787), (598, 27911), (874, 19097), (1469, 11362), (2147, 7774), (2599, 6422), (2938, 5681), (3211, 5198), (3887, 4294)]