18662320

素因数分解:

$2^4\times 5^1\times {\mathrm{233279}}^1$

素因数の和:233292

約数の個数: 20

約数和(自身を含む): 43390080

約数和(自身を除く): 24727760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 233279, 466558, 933116, 1166395, 1866232, 2332790, 3732464, 4665580, 9331160, 18662320]

約数ペア:

[(1, 18662320), (2, 9331160), (4, 4665580), (5, 3732464), (8, 2332790), (10, 1866232), (16, 1166395), (20, 933116), (40, 466558), (80, 233279)]