19990266

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{8521}}^1$

素因数の和:8566

約数の個数: 32

約数和(自身を含む): 44178048

約数和(自身を除く): 24187782

約数列:

[1, 2, 3, 6, 17, 23, 34, 46, 51, 69, 102, 138, 391, 782, 1173, 2346, 8521, 17042, 25563, 51126, 144857, 195983, 289714, 391966, 434571, 587949, 869142, 1175898, 3331711, 6663422, 9995133, 19990266]

約数ペア:

[(1, 19990266), (2, 9995133), (3, 6663422), (6, 3331711), (17, 1175898), (23, 869142), (34, 587949), (46, 434571), (51, 391966), (69, 289714), (102, 195983), (138, 144857), (391, 51126), (782, 25563), (1173, 17042), (2346, 8521)]