19841778

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4357}}^1$

素因数の和:4399

約数の個数: 48

約数和(自身を含む): 48949056

約数和(自身を除く): 29107278

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 23, 33, 46, 66, 69, 99, 138, 198, 207, 253, 414, 506, 759, 1518, 2277, 4357, 4554, 8714, 13071, 26142, 39213, 47927, 78426, 95854, 100211, 143781, 200422, 287562, 300633, 431343, 601266, 862686, 901899, 1102321, 1803798, 2204642, 3306963, 6613926, 9920889, 19841778]

約数ペア:

[(1, 19841778), (2, 9920889), (3, 6613926), (6, 3306963), (9, 2204642), (11, 1803798), (18, 1102321), (22, 901899), (23, 862686), (33, 601266), (46, 431343), (66, 300633), (69, 287562), (99, 200422), (138, 143781), (198, 100211), (207, 95854), (253, 78426), (414, 47927), (506, 39213), (759, 26142), (1518, 13071), (2277, 8714), (4357, 4554)]