17930393

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{79}}^2$

素因数の和:201

約数の個数: 18

約数和(自身を含む): 20821374

約数和(自身を除く): 2890981

約数列:

[1, 13, 17, 79, 169, 221, 1027, 1343, 2873, 6241, 13351, 17459, 81133, 106097, 226967, 1054729, 1379261, 17930393]

約数ペア:

[(1, 17930393), (13, 1379261), (17, 1054729), (79, 226967), (169, 106097), (221, 81133), (1027, 17459), (1343, 13351), (2873, 6241)]