11998994

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{571}}^1$

素因数の和:678

約数の個数: 32

約数和(自身を含む): 21964800

約数和(自身を除く): 9965806

約数列:

[1, 2, 7, 14, 19, 38, 79, 133, 158, 266, 553, 571, 1106, 1142, 1501, 3002, 3997, 7994, 10507, 10849, 21014, 21698, 45109, 75943, 90218, 151886, 315763, 631526, 857071, 1714142, 5999497, 11998994]

約数ペア:

[(1, 11998994), (2, 5999497), (7, 1714142), (14, 857071), (19, 631526), (38, 315763), (79, 151886), (133, 90218), (158, 75943), (266, 45109), (553, 21698), (571, 21014), (1106, 10849), (1142, 10507), (1501, 7994), (3002, 3997)]