19847687

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1$

素因数の和:490

約数の個数: 16

約数和(自身を含む): 21980160

約数和(自身を除く): 2132473

約数列:

[1, 17, 29, 127, 317, 493, 2159, 3683, 5389, 9193, 40259, 62611, 156281, 684403, 1167511, 19847687]

約数ペア:

[(1, 19847687), (17, 1167511), (29, 684403), (127, 156281), (317, 62611), (493, 40259), (2159, 9193), (3683, 5389)]