18427366984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19751}}^1\times {\mathrm{8971}}^1$

素因数の和:28741

約数の個数: 32

約数和(自身を含む): 37215138240

約数和(自身を除く): 18787771256

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 8971, 17942, 19751, 35884, 39502, 71768, 79004, 116623, 158008, 233246, 256763, 466492, 513526, 932984, 1027052, 2054104, 177186221, 354372442, 708744884, 1417489768, 2303420873, 4606841746, 9213683492, 18427366984]

約数ペア:

[(1, 18427366984), (2, 9213683492), (4, 4606841746), (8, 2303420873), (13, 1417489768), (26, 708744884), (52, 354372442), (104, 177186221), (8971, 2054104), (17942, 1027052), (19751, 932984), (35884, 513526), (39502, 466492), (71768, 256763), (79004, 233246), (116623, 158008)]