19884660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1831}}^1$

素因数の和:2024

約数の個数: 48

約数和(自身を含む): 56015232

約数和(自身を除く): 36130572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 181, 362, 543, 724, 905, 1086, 1810, 1831, 2172, 2715, 3620, 3662, 5430, 5493, 7324, 9155, 10860, 10986, 18310, 21972, 27465, 36620, 54930, 109860, 331411, 662822, 994233, 1325644, 1657055, 1988466, 3314110, 3976932, 4971165, 6628220, 9942330, 19884660]

約数ペア:

[(1, 19884660), (2, 9942330), (3, 6628220), (4, 4971165), (5, 3976932), (6, 3314110), (10, 1988466), (12, 1657055), (15, 1325644), (20, 994233), (30, 662822), (60, 331411), (181, 109860), (362, 54930), (543, 36620), (724, 27465), (905, 21972), (1086, 18310), (1810, 10986), (1831, 10860), (2172, 9155), (2715, 7324), (3620, 5493), (3662, 5430)]