19721661208

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{7321}}^1\times {\mathrm{4057}}^1$

素因数の和:11467

約数の個数: 32

約数和(自身を含む): 37437971760

約数和(自身を除く): 17716310552

約数列:

[1, 2, 4, 8, 83, 166, 332, 664, 4057, 7321, 8114, 14642, 16228, 29284, 32456, 58568, 336731, 607643, 673462, 1215286, 1346924, 2430572, 2693848, 4861144, 29701297, 59402594, 118805188, 237610376, 2465207651, 4930415302, 9860830604, 19721661208]

約数ペア:

[(1, 19721661208), (2, 9860830604), (4, 4930415302), (8, 2465207651), (83, 237610376), (166, 118805188), (332, 59402594), (664, 29701297), (4057, 4861144), (7321, 2693848), (8114, 2430572), (14642, 1346924), (16228, 1215286), (29284, 673462), (32456, 607643), (58568, 336731)]