19805462677

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{1039}}^1$

素因数の和:1346

約数の個数: 64

約数和(自身を含む): 27004723200

約数和(自身を除く): 7199260523

約数列:

[1, 7, 11, 13, 77, 91, 137, 139, 143, 959, 973, 1001, 1039, 1507, 1529, 1781, 1807, 7273, 10549, 10703, 11429, 12467, 12649, 13507, 19043, 19591, 19877, 80003, 94549, 133301, 137137, 139139, 142343, 144421, 148577, 209473, 247559, 996401, 1010947, 1040039, 1466311, 1565773, 1588631, 1732913, 1850459, 1877473, 2723149, 10960411, 11120417, 12953213, 13142311, 19062043, 19785677, 20355049, 20652203, 138499739, 142485343, 144565421, 217642447, 257213801, 1523497129, 1800496607, 2829351811, 19805462677]

約数ペア:

[(1, 19805462677), (7, 2829351811), (11, 1800496607), (13, 1523497129), (77, 257213801), (91, 217642447), (137, 144565421), (139, 142485343), (143, 138499739), (959, 20652203), (973, 20355049), (1001, 19785677), (1039, 19062043), (1507, 13142311), (1529, 12953213), (1781, 11120417), (1807, 10960411), (7273, 2723149), (10549, 1877473), (10703, 1850459), (11429, 1732913), (12467, 1588631), (12649, 1565773), (13507, 1466311), (19043, 1040039), (19591, 1010947), (19877, 996401), (80003, 247559), (94549, 209473), (133301, 148577), (137137, 144421), (139139, 142343)]