20181087736

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{617}}^1\times {\mathrm{240503}}^1$

素因数の和:241143

約数の個数: 32

約数和(自身を含む): 40130497440

約数和(自身を除く): 19949409704

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 617, 1234, 2468, 4936, 10489, 20978, 41956, 83912, 240503, 481006, 962012, 1924024, 4088551, 8177102, 16354204, 32708408, 148390351, 296780702, 593561404, 1187122808, 2522635967, 5045271934, 10090543868, 20181087736]

約数ペア:

[(1, 20181087736), (2, 10090543868), (4, 5045271934), (8, 2522635967), (17, 1187122808), (34, 593561404), (68, 296780702), (136, 148390351), (617, 32708408), (1234, 16354204), (2468, 8177102), (4936, 4088551), (10489, 1924024), (20978, 962012), (41956, 481006), (83912, 240503)]