18680459511

素因数分解:

$3^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{229}}^1\times {\mathrm{21701}}^1$

素因数の和:22119

約数の個数: 32

約数和(自身を含む): 28750809600

約数和(自身を除く): 10070350089

約数列:

[1, 3, 7, 21, 179, 229, 537, 687, 1253, 1603, 3759, 4809, 21701, 40991, 65103, 122973, 151907, 286937, 455721, 860811, 3884479, 4969529, 11653437, 14908587, 27191353, 34786703, 81574059, 104360109, 889545691, 2668637073, 6226819837, 18680459511]

約数ペア:

[(1, 18680459511), (3, 6226819837), (7, 2668637073), (21, 889545691), (179, 104360109), (229, 81574059), (537, 34786703), (687, 27191353), (1253, 14908587), (1603, 11653437), (3759, 4969529), (4809, 3884479), (21701, 860811), (40991, 455721), (65103, 286937), (122973, 151907)]