18940920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157841}}^1$

素因数の和:157855

約数の個数: 32

約数和(自身を含む): 56823120

約数和(自身を除く): 37882200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157841, 315682, 473523, 631364, 789205, 947046, 1262728, 1578410, 1894092, 2367615, 3156820, 3788184, 4735230, 6313640, 9470460, 18940920]

約数ペア:

[(1, 18940920), (2, 9470460), (3, 6313640), (4, 4735230), (5, 3788184), (6, 3156820), (8, 2367615), (10, 1894092), (12, 1578410), (15, 1262728), (20, 947046), (24, 789205), (30, 631364), (40, 473523), (60, 315682), (120, 157841)]