18305562

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:459

約数の個数: 64

約数和(自身を含む): 43130880

約数和(自身を除く): 24825318

約数列:

[1, 2, 3, 6, 11, 22, 23, 31, 33, 46, 62, 66, 69, 93, 138, 186, 253, 341, 389, 506, 682, 713, 759, 778, 1023, 1167, 1426, 1518, 2046, 2139, 2334, 4278, 4279, 7843, 8558, 8947, 12059, 12837, 15686, 17894, 23529, 24118, 25674, 26841, 36177, 47058, 53682, 72354, 98417, 132649, 196834, 265298, 277357, 295251, 397947, 554714, 590502, 795894, 832071, 1664142, 3050927, 6101854, 9152781, 18305562]

約数ペア:

[(1, 18305562), (2, 9152781), (3, 6101854), (6, 3050927), (11, 1664142), (22, 832071), (23, 795894), (31, 590502), (33, 554714), (46, 397947), (62, 295251), (66, 277357), (69, 265298), (93, 196834), (138, 132649), (186, 98417), (253, 72354), (341, 53682), (389, 47058), (506, 36177), (682, 26841), (713, 25674), (759, 24118), (778, 23529), (1023, 17894), (1167, 15686), (1426, 12837), (1518, 12059), (2046, 8947), (2139, 8558), (2334, 7843), (4278, 4279)]