18939531

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{8231}}^1$

素因数の和:8306

約数の個数: 16

約数和(自身を含む): 27659520

約数和(自身を除く): 8719989

約数列:

[1, 3, 13, 39, 59, 177, 767, 2301, 8231, 24693, 107003, 321009, 485629, 1456887, 6313177, 18939531]

約数ペア:

[(1, 18939531), (3, 6313177), (13, 1456887), (39, 485629), (59, 321009), (177, 107003), (767, 24693), (2301, 8231)]