19196880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79987}}^1$

素因数の和:80003

約数の個数: 40

約数和(自身を含む): 59511072

約数和(自身を除く): 40314192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 79987, 159974, 239961, 319948, 399935, 479922, 639896, 799870, 959844, 1199805, 1279792, 1599740, 1919688, 2399610, 3199480, 3839376, 4799220, 6398960, 9598440, 19196880]

約数ペア:

[(1, 19196880), (2, 9598440), (3, 6398960), (4, 4799220), (5, 3839376), (6, 3199480), (8, 2399610), (10, 1919688), (12, 1599740), (15, 1279792), (16, 1199805), (20, 959844), (24, 799870), (30, 639896), (40, 479922), (48, 399935), (60, 319948), (80, 239961), (120, 159974), (240, 79987)]