19920418

素因数分解:

$2^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{2179}}^1$

素因数の和:2841

約数の個数: 16

約数和(自身を含む): 34217280

約数和(自身を除く): 14296862

約数列:

[1, 2, 7, 14, 653, 1306, 2179, 4358, 4571, 9142, 15253, 30506, 1422887, 2845774, 9960209, 19920418]

約数ペア:

[(1, 19920418), (2, 9960209), (7, 2845774), (14, 1422887), (653, 30506), (1306, 15253), (2179, 9142), (4358, 4571)]