18911958

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{6553}}^1$

素因数の和:6608

約数の個数: 32

約数和(自身を含む): 41840736

約数和(自身を除く): 22928778

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 481, 962, 1443, 2886, 6553, 13106, 19659, 39318, 85189, 170378, 242461, 255567, 484922, 511134, 727383, 1454766, 3151993, 6303986, 9455979, 18911958]

約数ペア:

[(1, 18911958), (2, 9455979), (3, 6303986), (6, 3151993), (13, 1454766), (26, 727383), (37, 511134), (39, 484922), (74, 255567), (78, 242461), (111, 170378), (222, 85189), (481, 39318), (962, 19659), (1443, 13106), (2886, 6553)]