18485974

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1627}}^1$

素因数の和:1684

約数の個数: 32

約数和(自身を含む): 32820480

約数和(自身を除く): 14334506

約数列:

[1, 2, 13, 19, 23, 26, 38, 46, 247, 299, 437, 494, 598, 874, 1627, 3254, 5681, 11362, 21151, 30913, 37421, 42302, 61826, 74842, 401869, 486473, 710999, 803738, 972946, 1421998, 9242987, 18485974]

約数ペア:

[(1, 18485974), (2, 9242987), (13, 1421998), (19, 972946), (23, 803738), (26, 710999), (38, 486473), (46, 401869), (247, 74842), (299, 61826), (437, 42302), (494, 37421), (598, 30913), (874, 21151), (1627, 11362), (3254, 5681)]