18545241

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 29352960

約数和(自身を除く): 10807719

約数列:

[1, 3, 11, 13, 33, 39, 139, 143, 311, 417, 429, 933, 1529, 1807, 3421, 4043, 4587, 5421, 10263, 12129, 19877, 43229, 44473, 59631, 129687, 133419, 475519, 561977, 1426557, 1685931, 6181747, 18545241]

約数ペア:

[(1, 18545241), (3, 6181747), (11, 1685931), (13, 1426557), (33, 561977), (39, 475519), (139, 133419), (143, 129687), (311, 59631), (417, 44473), (429, 43229), (933, 19877), (1529, 12129), (1807, 10263), (3421, 5421), (4043, 4587)]