19107621

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{829}}^1$

素因数の和:1045

約数の個数: 24

約数和(自身を含む): 29909880

約数和(自身を除く): 10802259

約数列:

[1, 3, 9, 13, 39, 117, 197, 591, 829, 1773, 2487, 2561, 7461, 7683, 10777, 23049, 32331, 96993, 163313, 489939, 1469817, 2123069, 6369207, 19107621]

約数ペア:

[(1, 19107621), (3, 6369207), (9, 2123069), (13, 1469817), (39, 489939), (117, 163313), (197, 96993), (591, 32331), (829, 23049), (1773, 10777), (2487, 7683), (2561, 7461)]