18980491805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{57221}}^1$

素因数の和:57437

約数の個数: 32

約数和(自身を含む): 25675740288

約数和(自身を除く): 6695248483

約数列:

[1, 5, 11, 37, 55, 163, 185, 407, 815, 1793, 2035, 6031, 8965, 30155, 57221, 66341, 286105, 331705, 629431, 2117177, 3147155, 9327023, 10585885, 23288947, 46635115, 102597253, 116444735, 345099851, 512986265, 1725499255, 3796098361, 18980491805]

約数ペア:

[(1, 18980491805), (5, 3796098361), (11, 1725499255), (37, 512986265), (55, 345099851), (163, 116444735), (185, 102597253), (407, 46635115), (815, 23288947), (1793, 10585885), (2035, 9327023), (6031, 3147155), (8965, 2117177), (30155, 629431), (57221, 331705), (66341, 286105)]