19820778

素因数分解:

$2^1\times 3^1\times {\mathrm{109}}^1\times {\mathrm{30307}}^1$

素因数の和:30421

約数の個数: 16

約数和(自身を含む): 40006560

約数和(自身を除く): 20185782

約数列:

[1, 2, 3, 6, 109, 218, 327, 654, 30307, 60614, 90921, 181842, 3303463, 6606926, 9910389, 19820778]

約数ペア:

[(1, 19820778), (2, 9910389), (3, 6606926), (6, 3303463), (109, 181842), (218, 90921), (327, 60614), (654, 30307)]