18933255

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1663}}^1$

素因数の和:1708

約数の個数: 48

約数和(自身を含む): 37380096

約数和(自身を除く): 18446841

約数列:

[1, 3, 5, 9, 11, 15, 23, 33, 45, 55, 69, 99, 115, 165, 207, 253, 345, 495, 759, 1035, 1265, 1663, 2277, 3795, 4989, 8315, 11385, 14967, 18293, 24945, 38249, 54879, 74835, 91465, 114747, 164637, 191245, 274395, 344241, 420739, 573735, 823185, 1262217, 1721205, 2103695, 3786651, 6311085, 18933255]

約数ペア:

[(1, 18933255), (3, 6311085), (5, 3786651), (9, 2103695), (11, 1721205), (15, 1262217), (23, 823185), (33, 573735), (45, 420739), (55, 344241), (69, 274395), (99, 191245), (115, 164637), (165, 114747), (207, 91465), (253, 74835), (345, 54879), (495, 38249), (759, 24945), (1035, 18293), (1265, 14967), (1663, 11385), (2277, 8315), (3795, 4989)]