18941820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{315697}}^1$

素因数の和:315709

約数の個数: 24

約数和(自身を含む): 53037264

約数和(自身を除く): 34095444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 315697, 631394, 947091, 1262788, 1578485, 1894182, 3156970, 3788364, 4735455, 6313940, 9470910, 18941820]

約数ペア:

[(1, 18941820), (2, 9470910), (3, 6313940), (4, 4735455), (5, 3788364), (6, 3156970), (10, 1894182), (12, 1578485), (15, 1262788), (20, 947091), (30, 631394), (60, 315697)]