18941692

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{691}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 41852160

約数和(自身を除く): 22910468

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 89, 154, 178, 308, 356, 623, 691, 979, 1246, 1382, 1958, 2492, 2764, 3916, 4837, 6853, 7601, 9674, 13706, 15202, 19348, 27412, 30404, 53207, 61499, 106414, 122998, 212828, 245996, 430493, 676489, 860986, 1352978, 1721972, 2705956, 4735423, 9470846, 18941692]

約数ペア:

[(1, 18941692), (2, 9470846), (4, 4735423), (7, 2705956), (11, 1721972), (14, 1352978), (22, 860986), (28, 676489), (44, 430493), (77, 245996), (89, 212828), (154, 122998), (178, 106414), (308, 61499), (356, 53207), (623, 30404), (691, 27412), (979, 19348), (1246, 15202), (1382, 13706), (1958, 9674), (2492, 7601), (2764, 6853), (3916, 4837)]