19682640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{27337}}^1$

素因数の和:27356

約数の個数: 60

約数和(自身を含む): 66103284

約数和(自身を除く): 46420644

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 27337, 54674, 82011, 109348, 136685, 164022, 218696, 246033, 273370, 328044, 410055, 437392, 492066, 546740, 656088, 820110, 984132, 1093480, 1230165, 1312176, 1640220, 1968264, 2186960, 2460330, 3280440, 3936528, 4920660, 6560880, 9841320, 19682640]

約数ペア:

[(1, 19682640), (2, 9841320), (3, 6560880), (4, 4920660), (5, 3936528), (6, 3280440), (8, 2460330), (9, 2186960), (10, 1968264), (12, 1640220), (15, 1312176), (16, 1230165), (18, 1093480), (20, 984132), (24, 820110), (30, 656088), (36, 546740), (40, 492066), (45, 437392), (48, 410055), (60, 328044), (72, 273370), (80, 246033), (90, 218696), (120, 164022), (144, 136685), (180, 109348), (240, 82011), (360, 54674), (720, 27337)]