17891692

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 40992000

約数和(自身を除く): 23100308

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 169, 182, 199, 247, 266, 338, 364, 398, 494, 532, 676, 796, 988, 1183, 1393, 1729, 2366, 2587, 2786, 3211, 3458, 3781, 4732, 5174, 5572, 6422, 6916, 7562, 10348, 12844, 15124, 18109, 22477, 26467, 33631, 36218, 44954, 49153, 52934, 67262, 72436, 89908, 98306, 105868, 134524, 196612, 235417, 344071, 470834, 638989, 688142, 941668, 1277978, 1376284, 2555956, 4472923, 8945846, 17891692]

約数ペア:

[(1, 17891692), (2, 8945846), (4, 4472923), (7, 2555956), (13, 1376284), (14, 1277978), (19, 941668), (26, 688142), (28, 638989), (38, 470834), (52, 344071), (76, 235417), (91, 196612), (133, 134524), (169, 105868), (182, 98306), (199, 89908), (247, 72436), (266, 67262), (338, 52934), (364, 49153), (398, 44954), (494, 36218), (532, 33631), (676, 26467), (796, 22477), (988, 18109), (1183, 15124), (1393, 12844), (1729, 10348), (2366, 7562), (2587, 6916), (2786, 6422), (3211, 5572), (3458, 5174), (3781, 4732)]