20183947

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 26265600

約数和(自身を除く): 6081653

約数列:

[1, 7, 17, 19, 79, 113, 119, 133, 323, 553, 791, 1343, 1501, 1921, 2147, 2261, 8927, 9401, 10507, 13447, 15029, 25517, 36499, 62489, 151759, 169613, 178619, 255493, 1062313, 1187291, 2883421, 20183947]

約数ペア:

[(1, 20183947), (7, 2883421), (17, 1187291), (19, 1062313), (79, 255493), (113, 178619), (119, 169613), (133, 151759), (323, 62489), (553, 36499), (791, 25517), (1343, 15029), (1501, 13447), (1921, 10507), (2147, 9401), (2261, 8927)]