18931094

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:165

約数の個数: 64

約数和(自身を含む): 37255680

約数和(自身を除く): 18324586

約数列:

[1, 2, 7, 13, 14, 26, 41, 43, 59, 82, 86, 91, 118, 182, 287, 301, 413, 533, 559, 574, 602, 767, 826, 1066, 1118, 1534, 1763, 2419, 2537, 3526, 3731, 3913, 4838, 5074, 5369, 7462, 7826, 10738, 12341, 16933, 17759, 22919, 24682, 31447, 32981, 33866, 35518, 45838, 62894, 65962, 104017, 160433, 208034, 220129, 230867, 320866, 440258, 461734, 728119, 1352221, 1456238, 2704442, 9465547, 18931094]

約数ペア:

[(1, 18931094), (2, 9465547), (7, 2704442), (13, 1456238), (14, 1352221), (26, 728119), (41, 461734), (43, 440258), (59, 320866), (82, 230867), (86, 220129), (91, 208034), (118, 160433), (182, 104017), (287, 65962), (301, 62894), (413, 45838), (533, 35518), (559, 33866), (574, 32981), (602, 31447), (767, 24682), (826, 22919), (1066, 17759), (1118, 16933), (1534, 12341), (1763, 10738), (2419, 7826), (2537, 7462), (3526, 5369), (3731, 5074), (3913, 4838)]