19555740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{108643}}^1$

素因数の和:108658

約数の個数: 36

約数和(自身を含む): 59319624

約数和(自身を除く): 39763884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 108643, 217286, 325929, 434572, 543215, 651858, 977787, 1086430, 1303716, 1629645, 1955574, 2172860, 3259290, 3911148, 4888935, 6518580, 9777870, 19555740]

約数ペア:

[(1, 19555740), (2, 9777870), (3, 6518580), (4, 4888935), (5, 3911148), (6, 3259290), (9, 2172860), (10, 1955574), (12, 1629645), (15, 1303716), (18, 1086430), (20, 977787), (30, 651858), (36, 543215), (45, 434572), (60, 325929), (90, 217286), (180, 108643)]