19418902

素因数分解:

$2^1\times {\mathrm{151}}^1\times {\mathrm{64301}}^1$

素因数の和:64454

約数の個数: 8

約数和(自身を含む): 29321712

約数和(自身を除く): 9902810

約数列:

[1, 2, 151, 302, 64301, 128602, 9709451, 19418902]

約数ペア:

[(1, 19418902), (2, 9709451), (151, 128602), (302, 64301)]