18672589

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{661}}^1$

素因数の和:768

約数の個数: 16

約数和(自身を含む): 21019824

約数和(自身を除く): 2347235

約数列:

[1, 13, 41, 53, 533, 661, 689, 2173, 8593, 27101, 28249, 35033, 352313, 455429, 1436353, 18672589]

約数ペア:

[(1, 18672589), (13, 1436353), (41, 455429), (53, 352313), (533, 35033), (661, 28249), (689, 27101), (2173, 8593)]