20181978603

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{6857621}}^1$

素因数の和:6857739

約数の個数: 16

約数和(自身を含む): 30173536800

約数和(自身を除く): 9991558197

約数列:

[1, 3, 9, 27, 109, 327, 981, 2943, 6857621, 20572863, 61718589, 185155767, 747480689, 2242442067, 6727326201, 20181978603]

約数ペア:

[(1, 20181978603), (3, 6727326201), (9, 2242442067), (27, 747480689), (109, 185155767), (327, 61718589), (981, 20572863), (2943, 6857621)]