18311488

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{1693}}^1$

素因数の和:1731

約数の個数: 42

約数和(自身を含む): 39370254

約数和(自身を除く): 21058766

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 169, 208, 338, 416, 676, 832, 1352, 1693, 2704, 3386, 5408, 6772, 10816, 13544, 22009, 27088, 44018, 54176, 88036, 108352, 176072, 286117, 352144, 572234, 704288, 1144468, 1408576, 2288936, 4577872, 9155744, 18311488]

約数ペア:

[(1, 18311488), (2, 9155744), (4, 4577872), (8, 2288936), (13, 1408576), (16, 1144468), (26, 704288), (32, 572234), (52, 352144), (64, 286117), (104, 176072), (169, 108352), (208, 88036), (338, 54176), (416, 44018), (676, 27088), (832, 22009), (1352, 13544), (1693, 10816), (2704, 6772), (3386, 5408)]