19909722

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4349}}^1$

素因数の和:4470

約数の個数: 32

約数和(自身を含む): 45936000

約数和(自身を除く): 26026278

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 109, 218, 327, 654, 763, 1526, 2289, 4349, 4578, 8698, 13047, 26094, 30443, 60886, 91329, 182658, 474041, 948082, 1422123, 2844246, 3318287, 6636574, 9954861, 19909722]

約数ペア:

[(1, 19909722), (2, 9954861), (3, 6636574), (6, 3318287), (7, 2844246), (14, 1422123), (21, 948082), (42, 474041), (109, 182658), (218, 91329), (327, 60886), (654, 30443), (763, 26094), (1526, 13047), (2289, 8698), (4349, 4578)]