18897660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{104987}}^1$

素因数の和:105002

約数の個数: 36

約数和(自身を含む): 57323448

約数和(自身を除く): 38425788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 104987, 209974, 314961, 419948, 524935, 629922, 944883, 1049870, 1259844, 1574805, 1889766, 2099740, 3149610, 3779532, 4724415, 6299220, 9448830, 18897660]

約数ペア:

[(1, 18897660), (2, 9448830), (3, 6299220), (4, 4724415), (5, 3779532), (6, 3149610), (9, 2099740), (10, 1889766), (12, 1574805), (15, 1259844), (18, 1049870), (20, 944883), (30, 629922), (36, 524935), (45, 419948), (60, 314961), (90, 209974), (180, 104987)]