19614515

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 26542080

約数和(自身を除く): 6927565

約数列:

[1, 5, 17, 23, 79, 85, 115, 127, 391, 395, 635, 1343, 1817, 1955, 2159, 2921, 6715, 9085, 10033, 10795, 14605, 30889, 49657, 50165, 154445, 170561, 230759, 248285, 852805, 1153795, 3922903, 19614515]

約数ペア:

[(1, 19614515), (5, 3922903), (17, 1153795), (23, 852805), (79, 248285), (85, 230759), (115, 170561), (127, 154445), (391, 50165), (395, 49657), (635, 30889), (1343, 14605), (1817, 10795), (1955, 10033), (2159, 9085), (2921, 6715)]