19319640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{160997}}^1$

素因数の和:161011

約数の個数: 32

約数和(自身を含む): 57959280

約数和(自身を除く): 38639640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 160997, 321994, 482991, 643988, 804985, 965982, 1287976, 1609970, 1931964, 2414955, 3219940, 3863928, 4829910, 6439880, 9659820, 19319640]

約数ペア:

[(1, 19319640), (2, 9659820), (3, 6439880), (4, 4829910), (5, 3863928), (6, 3219940), (8, 2414955), (10, 1931964), (12, 1609970), (15, 1287976), (20, 965982), (24, 804985), (30, 643988), (40, 482991), (60, 321994), (120, 160997)]