18117320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34841}}^1$

素因数の和:34865

約数の個数: 32

約数和(自身を含む): 43900920

約数和(自身を除く): 25783600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 34841, 69682, 139364, 174205, 278728, 348410, 452933, 696820, 905866, 1393640, 1811732, 2264665, 3623464, 4529330, 9058660, 18117320]

約数ペア:

[(1, 18117320), (2, 9058660), (4, 4529330), (5, 3623464), (8, 2264665), (10, 1811732), (13, 1393640), (20, 905866), (26, 696820), (40, 452933), (52, 348410), (65, 278728), (104, 174205), (130, 139364), (260, 69682), (520, 34841)]