18192727007

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{320899}}^1$

素因数の和:321015

約数の個数: 24

約数和(自身を含む): 23047038000

約数和(自身を除く): 4854310993

約数列:

[1, 7, 13, 49, 89, 91, 623, 637, 1157, 4361, 8099, 56693, 320899, 2246293, 4171687, 15724051, 28560011, 29201809, 199920077, 204412663, 371280143, 1399440539, 2598961001, 18192727007]

約数ペア:

[(1, 18192727007), (7, 2598961001), (13, 1399440539), (49, 371280143), (89, 204412663), (91, 199920077), (623, 29201809), (637, 28560011), (1157, 15724051), (4361, 4171687), (8099, 2246293), (56693, 320899)]