19119639

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2237}}^1$

素因数の和:2295

約数の個数: 32

約数和(自身を含む): 32656896

約数和(自身を除く): 13537257

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 111, 231, 259, 407, 777, 1221, 2237, 2849, 6711, 8547, 15659, 24607, 46977, 73821, 82769, 172249, 248307, 516747, 579383, 910459, 1738149, 2731377, 6373213, 19119639]

約数ペア:

[(1, 19119639), (3, 6373213), (7, 2731377), (11, 1738149), (21, 910459), (33, 579383), (37, 516747), (77, 248307), (111, 172249), (231, 82769), (259, 73821), (407, 46977), (777, 24607), (1221, 15659), (2237, 8547), (2849, 6711)]