15121986

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:455

約数の個数: 64

約数和(自身を含む): 35942400

約数和(自身を除く): 20820414

約数列:

[1, 2, 3, 6, 11, 19, 22, 31, 33, 38, 57, 62, 66, 93, 114, 186, 209, 341, 389, 418, 589, 627, 682, 778, 1023, 1167, 1178, 1254, 1767, 2046, 2334, 3534, 4279, 6479, 7391, 8558, 12059, 12837, 12958, 14782, 19437, 22173, 24118, 25674, 36177, 38874, 44346, 72354, 81301, 132649, 162602, 229121, 243903, 265298, 397947, 458242, 487806, 687363, 795894, 1374726, 2520331, 5040662, 7560993, 15121986]

約数ペア:

[(1, 15121986), (2, 7560993), (3, 5040662), (6, 2520331), (11, 1374726), (19, 795894), (22, 687363), (31, 487806), (33, 458242), (38, 397947), (57, 265298), (62, 243903), (66, 229121), (93, 162602), (114, 132649), (186, 81301), (209, 72354), (341, 44346), (389, 38874), (418, 36177), (589, 25674), (627, 24118), (682, 22173), (778, 19437), (1023, 14782), (1167, 12958), (1178, 12837), (1254, 12059), (1767, 8558), (2046, 7391), (2334, 6479), (3534, 4279)]