16928810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{641}}^1$

素因数の和:806

約数の個数: 32

約数和(自身を含む): 32356800

約数和(自身を除く): 15427990

約数列:

[1, 2, 5, 10, 19, 38, 95, 139, 190, 278, 641, 695, 1282, 1390, 2641, 3205, 5282, 6410, 12179, 13205, 24358, 26410, 60895, 89099, 121790, 178198, 445495, 890990, 1692881, 3385762, 8464405, 16928810]

約数ペア:

[(1, 16928810), (2, 8464405), (5, 3385762), (10, 1692881), (19, 890990), (38, 445495), (95, 178198), (139, 121790), (190, 89099), (278, 60895), (641, 26410), (695, 24358), (1282, 13205), (1390, 12179), (2641, 6410), (3205, 5282)]