19861897

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{113}}^1$

素因数の和:201

約数の個数: 24

約数和(自身を含む): 23830560

約数和(自身を除く): 3968663

約数列:

[1, 11, 19, 29, 113, 209, 319, 551, 841, 1243, 2147, 3277, 6061, 9251, 15979, 23617, 36047, 62263, 95033, 175769, 684893, 1045363, 1805627, 19861897]

約数ペア:

[(1, 19861897), (11, 1805627), (19, 1045363), (29, 684893), (113, 175769), (209, 95033), (319, 62263), (551, 36047), (841, 23617), (1243, 15979), (2147, 9251), (3277, 6061)]