17997320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40903}}^1$

素因数の和:40925

約数の個数: 32

約数和(自身を含む): 44176320

約数和(自身を除く): 26179000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 40903, 81806, 163612, 204515, 327224, 409030, 449933, 818060, 899866, 1636120, 1799732, 2249665, 3599464, 4499330, 8998660, 17997320]

約数ペア:

[(1, 17997320), (2, 8998660), (4, 4499330), (5, 3599464), (8, 2249665), (10, 1799732), (11, 1636120), (20, 899866), (22, 818060), (40, 449933), (44, 409030), (55, 327224), (88, 204515), (110, 163612), (220, 81806), (440, 40903)]