19107738

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:281

約数の個数: 80

約数和(自身を含む): 47404896

約数和(自身を除く): 28297158

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 43, 54, 78, 81, 86, 117, 129, 162, 211, 234, 258, 351, 387, 422, 559, 633, 702, 774, 1053, 1118, 1161, 1266, 1677, 1899, 2106, 2322, 2743, 3354, 3483, 3798, 5031, 5486, 5697, 6966, 8229, 9073, 10062, 11394, 15093, 16458, 17091, 18146, 24687, 27219, 30186, 34182, 45279, 49374, 54438, 74061, 81657, 90558, 117949, 148122, 163314, 222183, 235898, 244971, 353847, 444366, 489942, 707694, 734913, 1061541, 1469826, 2123082, 3184623, 6369246, 9553869, 19107738]

約数ペア:

[(1, 19107738), (2, 9553869), (3, 6369246), (6, 3184623), (9, 2123082), (13, 1469826), (18, 1061541), (26, 734913), (27, 707694), (39, 489942), (43, 444366), (54, 353847), (78, 244971), (81, 235898), (86, 222183), (117, 163314), (129, 148122), (162, 117949), (211, 90558), (234, 81657), (258, 74061), (351, 54438), (387, 49374), (422, 45279), (559, 34182), (633, 30186), (702, 27219), (774, 24687), (1053, 18146), (1118, 17091), (1161, 16458), (1266, 15093), (1677, 11394), (1899, 10062), (2106, 9073), (2322, 8229), (2743, 6966), (3354, 5697), (3483, 5486), (3798, 5031)]