19450980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{108061}}^1$

素因数の和:108076

約数の個数: 36

約数和(自身を含む): 59001852

約数和(自身を除く): 39550872

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 108061, 216122, 324183, 432244, 540305, 648366, 972549, 1080610, 1296732, 1620915, 1945098, 2161220, 3241830, 3890196, 4862745, 6483660, 9725490, 19450980]

約数ペア:

[(1, 19450980), (2, 9725490), (3, 6483660), (4, 4862745), (5, 3890196), (6, 3241830), (9, 2161220), (10, 1945098), (12, 1620915), (15, 1296732), (18, 1080610), (20, 972549), (30, 648366), (36, 540305), (45, 432244), (60, 324183), (90, 216122), (180, 108061)]