18719480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35999}}^1$

素因数の和:36023

約数の個数: 32

約数和(自身を含む): 45360000

約数和(自身を除く): 26640520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 35999, 71998, 143996, 179995, 287992, 359990, 467987, 719980, 935974, 1439960, 1871948, 2339935, 3743896, 4679870, 9359740, 18719480]

約数ペア:

[(1, 18719480), (2, 9359740), (4, 4679870), (5, 3743896), (8, 2339935), (10, 1871948), (13, 1439960), (20, 935974), (26, 719980), (40, 467987), (52, 359990), (65, 287992), (104, 179995), (130, 143996), (260, 71998), (520, 35999)]