18428618

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:302

約数の個数: 32

約数和(自身を含む): 30844800

約数和(自身を除く): 12416182

約数列:

[1, 2, 13, 26, 67, 71, 134, 142, 149, 298, 871, 923, 1742, 1846, 1937, 3874, 4757, 9514, 9983, 10579, 19966, 21158, 61841, 123682, 129779, 137527, 259558, 275054, 708793, 1417586, 9214309, 18428618]

約数ペア:

[(1, 18428618), (2, 9214309), (13, 1417586), (26, 708793), (67, 275054), (71, 259558), (134, 137527), (142, 129779), (149, 123682), (298, 61841), (871, 21158), (923, 19966), (1742, 10579), (1846, 9983), (1937, 9514), (3874, 4757)]