19803240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{55009}}^1$

素因数の和:55026

約数の個数: 48

約数和(自身を含む): 64361700

約数和(自身を除く): 44558460

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 55009, 110018, 165027, 220036, 275045, 330054, 440072, 495081, 550090, 660108, 825135, 990162, 1100180, 1320216, 1650270, 1980324, 2200360, 2475405, 3300540, 3960648, 4950810, 6601080, 9901620, 19803240]

約数ペア:

[(1, 19803240), (2, 9901620), (3, 6601080), (4, 4950810), (5, 3960648), (6, 3300540), (8, 2475405), (9, 2200360), (10, 1980324), (12, 1650270), (15, 1320216), (18, 1100180), (20, 990162), (24, 825135), (30, 660108), (36, 550090), (40, 495081), (45, 440072), (60, 330054), (72, 275045), (90, 220036), (120, 165027), (180, 110018), (360, 55009)]