18169908

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1531}}^1$

素因数の和:1604

約数の個数: 48

約数和(自身を含む): 45298176

約数和(自身を除く): 27128268

約数列:

[1, 2, 3, 4, 6, 12, 23, 43, 46, 69, 86, 92, 129, 138, 172, 258, 276, 516, 989, 1531, 1978, 2967, 3062, 3956, 4593, 5934, 6124, 9186, 11868, 18372, 35213, 65833, 70426, 105639, 131666, 140852, 197499, 211278, 263332, 394998, 422556, 789996, 1514159, 3028318, 4542477, 6056636, 9084954, 18169908]

約数ペア:

[(1, 18169908), (2, 9084954), (3, 6056636), (4, 4542477), (6, 3028318), (12, 1514159), (23, 789996), (43, 422556), (46, 394998), (69, 263332), (86, 211278), (92, 197499), (129, 140852), (138, 131666), (172, 105639), (258, 70426), (276, 65833), (516, 35213), (989, 18372), (1531, 11868), (1978, 9186), (2967, 6124), (3062, 5934), (3956, 4593)]