2019011379

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{1123}}^1$

素因数の和:1368

約数の個数: 64

約数和(自身を含む): 3456380928

約数和(自身を除く): 1437369549

約数列:

[1, 3, 7, 11, 21, 33, 43, 77, 129, 181, 231, 301, 473, 543, 903, 1123, 1267, 1419, 1991, 3311, 3369, 3801, 5973, 7783, 7861, 9933, 12353, 13937, 23349, 23583, 37059, 41811, 48289, 54481, 85613, 86471, 144867, 163443, 203263, 256839, 259413, 338023, 531179, 599291, 609789, 1014069, 1422841, 1593537, 1797873, 2235893, 3718253, 4268523, 6707679, 8740309, 11154759, 15651251, 26220927, 46953753, 61182163, 96143399, 183546489, 288430197, 673003793, 2019011379]

約数ペア:

[(1, 2019011379), (3, 673003793), (7, 288430197), (11, 183546489), (21, 96143399), (33, 61182163), (43, 46953753), (77, 26220927), (129, 15651251), (181, 11154759), (231, 8740309), (301, 6707679), (473, 4268523), (543, 3718253), (903, 2235893), (1123, 1797873), (1267, 1593537), (1419, 1422841), (1991, 1014069), (3311, 609789), (3369, 599291), (3801, 531179), (5973, 338023), (7783, 259413), (7861, 256839), (9933, 203263), (12353, 163443), (13937, 144867), (23349, 86471), (23583, 85613), (37059, 54481), (41811, 48289)]