18707942386

素因数分解:

$2^1\times 7^1\times {\mathrm{2141}}^1\times {\mathrm{624139}}^1$

素因数の和:626289

約数の個数: 16

約数和(自身を含む): 32085789120

約数和(自身を除く): 13377846734

約数列:

[1, 2, 7, 14, 2141, 4282, 14987, 29974, 624139, 1248278, 4368973, 8737946, 1336281599, 2672563198, 9353971193, 18707942386]

約数ペア:

[(1, 18707942386), (2, 9353971193), (7, 2672563198), (14, 1336281599), (2141, 8737946), (4282, 4368973), (14987, 1248278), (29974, 624139)]