19947921839

素因数分解:

${\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{10723}}^1$

素因数の和:10955

約数の個数: 24

約数和(自身を含む): 21847490448

約数和(自身を除く): 1899568609

約数列:

[1, 17, 41, 157, 289, 697, 2669, 6437, 10723, 11849, 45373, 109429, 182291, 439643, 1683511, 1860293, 3098947, 7473931, 28619687, 69023951, 127056827, 486534679, 1173407167, 19947921839]

約数ペア:

[(1, 19947921839), (17, 1173407167), (41, 486534679), (157, 127056827), (289, 69023951), (697, 28619687), (2669, 7473931), (6437, 3098947), (10723, 1860293), (11849, 1683511), (45373, 439643), (109429, 182291)]