18380519

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1621}}^1$

素因数の和:1690

約数の個数: 16

約数和(自身を含む): 21021120

約数和(自身を除く): 2640601

約数列:

[1, 17, 23, 29, 391, 493, 667, 1621, 11339, 27557, 37283, 47009, 633811, 799153, 1081207, 18380519]

約数ペア:

[(1, 18380519), (17, 1081207), (23, 799153), (29, 633811), (391, 47009), (493, 37283), (667, 27557), (1621, 11339)]