17964869

素因数分解:

${\mathrm{13}}^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:106

約数の個数: 20

約数和(自身を含む): 21163644

約数和(自身を除く): 3198775

約数列:

[1, 13, 17, 37, 169, 221, 481, 629, 2197, 2873, 6253, 8177, 28561, 37349, 81289, 106301, 485537, 1056757, 1381913, 17964869]

約数ペア:

[(1, 17964869), (13, 1381913), (17, 1056757), (37, 485537), (169, 106301), (221, 81289), (481, 37349), (629, 28561), (2197, 8177), (2873, 6253)]