19640754

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1607}}^1$

素因数の和:1719

約数の個数: 48

約数和(自身を含む): 49166208

約数和(自身を除く): 29525454

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 97, 126, 194, 291, 582, 679, 873, 1358, 1607, 1746, 2037, 3214, 4074, 4821, 6111, 9642, 11249, 12222, 14463, 22498, 28926, 33747, 67494, 101241, 155879, 202482, 311758, 467637, 935274, 1091153, 1402911, 2182306, 2805822, 3273459, 6546918, 9820377, 19640754]

約数ペア:

[(1, 19640754), (2, 9820377), (3, 6546918), (6, 3273459), (7, 2805822), (9, 2182306), (14, 1402911), (18, 1091153), (21, 935274), (42, 467637), (63, 311758), (97, 202482), (126, 155879), (194, 101241), (291, 67494), (582, 33747), (679, 28926), (873, 22498), (1358, 14463), (1607, 12222), (1746, 11249), (2037, 9642), (3214, 6111), (4074, 4821)]