18132741

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{433}}^1$

素因数の和:503

約数の個数: 40

約数和(自身を含む): 30248064

約数和(自身を除く): 12115323

約数列:

[1, 3, 9, 11, 27, 33, 47, 81, 99, 141, 297, 423, 433, 517, 891, 1269, 1299, 1551, 3807, 3897, 4653, 4763, 11691, 13959, 14289, 20351, 35073, 41877, 42867, 61053, 128601, 183159, 223861, 385803, 549477, 671583, 1648431, 2014749, 6044247, 18132741]

約数ペア:

[(1, 18132741), (3, 6044247), (9, 2014749), (11, 1648431), (27, 671583), (33, 549477), (47, 385803), (81, 223861), (99, 183159), (141, 128601), (297, 61053), (423, 42867), (433, 41877), (517, 35073), (891, 20351), (1269, 14289), (1299, 13959), (1551, 11691), (3807, 4763), (3897, 4653)]