18821106

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{4909}}^1$

素因数の和:4991

約数の個数: 32

約数和(自身を含む): 42422400

約数和(自身を除く): 23601294

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 213, 426, 639, 1278, 1917, 3834, 4909, 9818, 14727, 29454, 44181, 88362, 132543, 265086, 348539, 697078, 1045617, 2091234, 3136851, 6273702, 9410553, 18821106]

約数ペア:

[(1, 18821106), (2, 9410553), (3, 6273702), (6, 3136851), (9, 2091234), (18, 1045617), (27, 697078), (54, 348539), (71, 265086), (142, 132543), (213, 88362), (426, 44181), (639, 29454), (1278, 14727), (1917, 9818), (3834, 4909)]