18791416

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{5501}}^1$

素因数の和:5575

約数の個数: 32

約数和(自身を含む): 40934880

約数和(自身を除く): 22143464

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 5501, 11002, 22004, 38507, 44008, 77014, 154028, 308056, 335561, 671122, 1342244, 2348927, 2684488, 4697854, 9395708, 18791416]

約数ペア:

[(1, 18791416), (2, 9395708), (4, 4697854), (7, 2684488), (8, 2348927), (14, 1342244), (28, 671122), (56, 335561), (61, 308056), (122, 154028), (244, 77014), (427, 44008), (488, 38507), (854, 22004), (1708, 11002), (3416, 5501)]