18891454

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{8293}}^1$

素因数の和:8379

約数の個数: 16

約数和(自身を含む): 30455568

約数和(自身を除く): 11564114

約数列:

[1, 2, 17, 34, 67, 134, 1139, 2278, 8293, 16586, 140981, 281962, 555631, 1111262, 9445727, 18891454]

約数ペア:

[(1, 18891454), (2, 9445727), (17, 1111262), (34, 555631), (67, 281962), (134, 140981), (1139, 16586), (2278, 8293)]