19746111

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 34899200

約数和(自身を除く): 15153089

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 121, 133, 209, 231, 363, 399, 409, 627, 847, 1227, 1463, 2299, 2541, 2863, 4389, 4499, 6897, 7771, 8589, 13497, 16093, 23313, 31493, 48279, 49489, 54397, 85481, 94479, 148467, 163191, 256443, 346423, 598367, 940291, 1039269, 1795101, 2820873, 6582037, 19746111]

約数ペア:

[(1, 19746111), (3, 6582037), (7, 2820873), (11, 1795101), (19, 1039269), (21, 940291), (33, 598367), (57, 346423), (77, 256443), (121, 163191), (133, 148467), (209, 94479), (231, 85481), (363, 54397), (399, 49489), (409, 48279), (627, 31493), (847, 23313), (1227, 16093), (1463, 13497), (2299, 8589), (2541, 7771), (2863, 6897), (4389, 4499)]