18869090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2113}}^1$

素因数の和:2186

約数の個数: 32

約数和(自身を含む): 36529920

約数和(自身を除く): 17660830

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 470, 893, 1786, 2113, 4226, 4465, 8930, 10565, 21130, 40147, 80294, 99311, 198622, 200735, 401470, 496555, 993110, 1886909, 3773818, 9434545, 18869090]

約数ペア:

[(1, 18869090), (2, 9434545), (5, 3773818), (10, 1886909), (19, 993110), (38, 496555), (47, 401470), (94, 200735), (95, 198622), (190, 99311), (235, 80294), (470, 40147), (893, 21130), (1786, 10565), (2113, 8930), (4226, 4465)]