19961766

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{557}}^1$

素因数の和:757

約数の個数: 48

約数和(自身を含む): 47528208

約数和(自身を除く): 27566442

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 181, 198, 362, 543, 557, 1086, 1114, 1629, 1671, 1991, 3258, 3342, 3982, 5013, 5973, 6127, 10026, 11946, 12254, 17919, 18381, 35838, 36762, 55143, 100817, 110286, 201634, 302451, 604902, 907353, 1108987, 1814706, 2217974, 3326961, 6653922, 9980883, 19961766]

約数ペア:

[(1, 19961766), (2, 9980883), (3, 6653922), (6, 3326961), (9, 2217974), (11, 1814706), (18, 1108987), (22, 907353), (33, 604902), (66, 302451), (99, 201634), (181, 110286), (198, 100817), (362, 55143), (543, 36762), (557, 35838), (1086, 18381), (1114, 17919), (1629, 12254), (1671, 11946), (1991, 10026), (3258, 6127), (3342, 5973), (3982, 5013)]