18994092

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{389}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 48004320

約数和(自身を除く): 29010228

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 313, 389, 626, 778, 939, 1167, 1252, 1556, 1878, 2334, 3756, 4069, 4668, 5057, 8138, 10114, 12207, 15171, 16276, 20228, 24414, 30342, 48828, 60684, 121757, 243514, 365271, 487028, 730542, 1461084, 1582841, 3165682, 4748523, 6331364, 9497046, 18994092]

約数ペア:

[(1, 18994092), (2, 9497046), (3, 6331364), (4, 4748523), (6, 3165682), (12, 1582841), (13, 1461084), (26, 730542), (39, 487028), (52, 365271), (78, 243514), (156, 121757), (313, 60684), (389, 48828), (626, 30342), (778, 24414), (939, 20228), (1167, 16276), (1252, 15171), (1556, 12207), (1878, 10114), (2334, 8138), (3756, 5057), (4069, 4668)]