18463640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35507}}^1$

素因数の和:35531

約数の個数: 32

約数和(自身を含む): 44740080

約数和(自身を除く): 26276440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 35507, 71014, 142028, 177535, 284056, 355070, 461591, 710140, 923182, 1420280, 1846364, 2307955, 3692728, 4615910, 9231820, 18463640]

約数ペア:

[(1, 18463640), (2, 9231820), (4, 4615910), (5, 3692728), (8, 2307955), (10, 1846364), (13, 1420280), (20, 923182), (26, 710140), (40, 461591), (52, 355070), (65, 284056), (104, 177535), (130, 142028), (260, 71014), (520, 35507)]