18669992

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{4003}}^1$

素因数の和:4073

約数の個数: 32

約数和(自身を含む): 38918880

約数和(自身を除く): 20248888

約数列:

[1, 2, 4, 8, 11, 22, 44, 53, 88, 106, 212, 424, 583, 1166, 2332, 4003, 4664, 8006, 16012, 32024, 44033, 88066, 176132, 212159, 352264, 424318, 848636, 1697272, 2333749, 4667498, 9334996, 18669992]

約数ペア:

[(1, 18669992), (2, 9334996), (4, 4667498), (8, 2333749), (11, 1697272), (22, 848636), (44, 424318), (53, 352264), (88, 212159), (106, 176132), (212, 88066), (424, 44033), (583, 32024), (1166, 16012), (2332, 8006), (4003, 4664)]