18010905

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{6421}}^1$

素因数の和:6457

約数の個数: 32

約数和(自身を含む): 33291648

約数和(自身を除く): 15280743

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 6421, 19263, 32105, 70631, 96315, 109157, 211893, 327471, 353155, 545785, 1059465, 1200727, 1637355, 3602181, 6003635, 18010905]

約数ペア:

[(1, 18010905), (3, 6003635), (5, 3602181), (11, 1637355), (15, 1200727), (17, 1059465), (33, 545785), (51, 353155), (55, 327471), (85, 211893), (165, 109157), (187, 96315), (255, 70631), (561, 32105), (935, 19263), (2805, 6421)]