18073699

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:152

約数の個数: 32

約数和(自身を含む): 23040000

約数和(自身を除く): 4966301

約数列:

[1, 7, 23, 29, 49, 79, 161, 203, 343, 553, 667, 1127, 1421, 1817, 2291, 3871, 4669, 7889, 9947, 12719, 16037, 27097, 32683, 52693, 89033, 112259, 228781, 368851, 623231, 785813, 2581957, 18073699]

約数ペア:

[(1, 18073699), (7, 2581957), (23, 785813), (29, 623231), (49, 368851), (79, 228781), (161, 112259), (203, 89033), (343, 52693), (553, 32683), (667, 27097), (1127, 16037), (1421, 12719), (1817, 9947), (2291, 7889), (3871, 4669)]