18945966

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{829}}^1$

素因数の和:1140

約数の個数: 32

約数和(自身を含む): 40995360

約数和(自身を除く): 22049394

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 293, 586, 829, 879, 1658, 1758, 2487, 3809, 4974, 7618, 10777, 11427, 21554, 22854, 32331, 64662, 242897, 485794, 728691, 1457382, 3157661, 6315322, 9472983, 18945966]

約数ペア:

[(1, 18945966), (2, 9472983), (3, 6315322), (6, 3157661), (13, 1457382), (26, 728691), (39, 485794), (78, 242897), (293, 64662), (586, 32331), (829, 22854), (879, 21554), (1658, 11427), (1758, 10777), (2487, 7618), (3809, 4974)]