19642533

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{331}}^1$

素因数の和:616

約数の個数: 16

約数和(自身を含む): 26644992

約数和(自身を除く): 7002459

約数列:

[1, 3, 131, 151, 331, 393, 453, 993, 19781, 43361, 49981, 59343, 130083, 149943, 6547511, 19642533]

約数ペア:

[(1, 19642533), (3, 6547511), (131, 149943), (151, 130083), (331, 59343), (393, 49981), (453, 43361), (993, 19781)]