19965780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{110921}}^1$

素因数の和:110936

約数の個数: 36

約数和(自身を含む): 60563412

約数和(自身を除く): 40597632

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 110921, 221842, 332763, 443684, 554605, 665526, 998289, 1109210, 1331052, 1663815, 1996578, 2218420, 3327630, 3993156, 4991445, 6655260, 9982890, 19965780]

約数ペア:

[(1, 19965780), (2, 9982890), (3, 6655260), (4, 4991445), (5, 3993156), (6, 3327630), (9, 2218420), (10, 1996578), (12, 1663815), (15, 1331052), (18, 1109210), (20, 998289), (30, 665526), (36, 554605), (45, 443684), (60, 332763), (90, 221842), (180, 110921)]