18380272001

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{557}}^1\times {\mathrm{3389}}^1$

素因数の和:4073

約数の個数: 32

約数和(自身を含む): 22881035520

約数和(自身を除く): 4500763519

約数列:

[1, 7, 13, 91, 107, 557, 749, 1391, 3389, 3899, 7241, 9737, 23723, 44057, 50687, 59599, 308399, 362623, 417193, 774787, 1887673, 2538361, 4714099, 5423509, 13213711, 24539749, 32998693, 171778243, 201981011, 1413867077, 2625753143, 18380272001]

約数ペア:

[(1, 18380272001), (7, 2625753143), (13, 1413867077), (91, 201981011), (107, 171778243), (557, 32998693), (749, 24539749), (1391, 13213711), (3389, 5423509), (3899, 4714099), (7241, 2538361), (9737, 1887673), (23723, 774787), (44057, 417193), (50687, 362623), (59599, 308399)]