19796879

素因数分解:

${\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:159

約数の個数: 24

約数和(自身を含む): 22677120

約数和(自身を除く): 2880241

約数列:

[1, 19, 29, 31, 61, 361, 551, 589, 899, 1159, 1769, 1891, 10469, 11191, 17081, 22021, 33611, 35929, 54839, 324539, 638609, 682651, 1041941, 19796879]

約数ペア:

[(1, 19796879), (19, 1041941), (29, 682651), (31, 638609), (61, 324539), (361, 54839), (551, 35929), (589, 33611), (899, 22021), (1159, 17081), (1769, 11191), (1891, 10469)]