19780377

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1\times {\mathrm{269}}^1$

素因数の和:592

約数の個数: 16

約数和(自身を含む): 26818560

約数和(自身を除く): 7038183

約数列:

[1, 3, 127, 193, 269, 381, 579, 807, 24511, 34163, 51917, 73533, 102489, 155751, 6593459, 19780377]

約数ペア:

[(1, 19780377), (3, 6593459), (127, 155751), (193, 102489), (269, 73533), (381, 51917), (579, 34163), (807, 24511)]