30918286

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{20261}}^1$

素因数の和:20379

約数の個数: 16

約数和(自身を含む): 53491680

約数和(自身を除く): 22573394

約数列:

[1, 2, 7, 14, 109, 218, 763, 1526, 20261, 40522, 141827, 283654, 2208449, 4416898, 15459143, 30918286]

約数ペア:

[(1, 30918286), (2, 15459143), (7, 4416898), (14, 2208449), (109, 283654), (218, 141827), (763, 40522), (1526, 20261)]