19505880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{18061}}^1$

素因数の和:18081

約数の個数: 64

約数和(自身を含む): 65023200

約数和(自身を除く): 45517320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 18061, 36122, 54183, 72244, 90305, 108366, 144488, 162549, 180610, 216732, 270915, 325098, 361220, 433464, 487647, 541830, 650196, 722440, 812745, 975294, 1083660, 1300392, 1625490, 1950588, 2167320, 2438235, 3250980, 3901176, 4876470, 6501960, 9752940, 19505880]

約数ペア:

[(1, 19505880), (2, 9752940), (3, 6501960), (4, 4876470), (5, 3901176), (6, 3250980), (8, 2438235), (9, 2167320), (10, 1950588), (12, 1625490), (15, 1300392), (18, 1083660), (20, 975294), (24, 812745), (27, 722440), (30, 650196), (36, 541830), (40, 487647), (45, 433464), (54, 361220), (60, 325098), (72, 270915), (90, 216732), (108, 180610), (120, 162549), (135, 144488), (180, 108366), (216, 90305), (270, 72244), (360, 54183), (540, 36122), (1080, 18061)]