19827561

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{373}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 30159360

約数和(自身を除く): 10331799

約数列:

[1, 3, 13, 29, 39, 47, 87, 141, 373, 377, 611, 1119, 1131, 1363, 1833, 4089, 4849, 10817, 14547, 17531, 17719, 32451, 52593, 53157, 140621, 227903, 421863, 508399, 683709, 1525197, 6609187, 19827561]

約数ペア:

[(1, 19827561), (3, 6609187), (13, 1525197), (29, 683709), (39, 508399), (47, 421863), (87, 227903), (141, 140621), (373, 53157), (377, 52593), (611, 32451), (1119, 17719), (1131, 17531), (1363, 14547), (1833, 10817), (4089, 4849)]