18916804574

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1289}}^1\times {\mathrm{2843}}^1$

素因数の和:4252

約数の個数: 32

約数和(自身を含む): 29716956000

約数和(自身を除く): 10800151426

約数列:

[1, 2, 29, 58, 89, 178, 1289, 2578, 2581, 2843, 5162, 5686, 37381, 74762, 82447, 114721, 164894, 229442, 253027, 506054, 3326909, 3664627, 6653818, 7329254, 7337783, 14675566, 106274183, 212548366, 326151803, 652303606, 9458402287, 18916804574]

約数ペア:

[(1, 18916804574), (2, 9458402287), (29, 652303606), (58, 326151803), (89, 212548366), (178, 106274183), (1289, 14675566), (2578, 7337783), (2581, 7329254), (2843, 6653818), (5162, 3664627), (5686, 3326909), (37381, 506054), (74762, 253027), (82447, 229442), (114721, 164894)]