19730878

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{907}}^1$

素因数の和:1131

約数の個数: 16

約数和(自身を含む): 30236400

約数和(自身を除く): 10505522

約数列:

[1, 2, 73, 146, 149, 298, 907, 1814, 10877, 21754, 66211, 132422, 135143, 270286, 9865439, 19730878]

約数ペア:

[(1, 19730878), (2, 9865439), (73, 270286), (146, 135143), (149, 132422), (298, 66211), (907, 21754), (1814, 10877)]