21819618

素因数分解:

$2^1\times 3^4\times {\mathrm{367}}^2$

素因数の和:748

約数の個数: 30

約数和(自身を含む): 49025691

約数和(自身を除く): 27206073

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 367, 734, 1101, 2202, 3303, 6606, 9909, 19818, 29727, 59454, 134689, 269378, 404067, 808134, 1212201, 2424402, 3636603, 7273206, 10909809, 21819618]

約数ペア:

[(1, 21819618), (2, 10909809), (3, 7273206), (6, 3636603), (9, 2424402), (18, 1212201), (27, 808134), (54, 404067), (81, 269378), (162, 134689), (367, 59454), (734, 29727), (1101, 19818), (2202, 9909), (3303, 6606)]