18998537

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{449}}^1$

素因数の和:616

約数の個数: 16

約数和(自身を含む): 21384000

約数和(自身を除く): 2385463

約数列:

[1, 17, 19, 131, 323, 449, 2227, 2489, 7633, 8531, 42313, 58819, 145027, 999923, 1117561, 18998537]

約数ペア:

[(1, 18998537), (17, 1117561), (19, 999923), (131, 145027), (323, 58819), (449, 42313), (2227, 8531), (2489, 7633)]