19909140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{331819}}^1$

素因数の和:331831

約数の個数: 24

約数和(自身を含む): 55745760

約数和(自身を除く): 35836620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 331819, 663638, 995457, 1327276, 1659095, 1990914, 3318190, 3981828, 4977285, 6636380, 9954570, 19909140]

約数ペア:

[(1, 19909140), (2, 9954570), (3, 6636380), (4, 4977285), (5, 3981828), (6, 3318190), (10, 1990914), (12, 1659095), (15, 1327276), (20, 995457), (30, 663638), (60, 331819)]