18339260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53939}}^1$

素因数の和:53965

約数の個数: 24

約数和(自身を含む): 40778640

約数和(自身を除く): 22439380

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 53939, 107878, 215756, 269695, 539390, 916963, 1078780, 1833926, 3667852, 4584815, 9169630, 18339260]

約数ペア:

[(1, 18339260), (2, 9169630), (4, 4584815), (5, 3667852), (10, 1833926), (17, 1078780), (20, 916963), (34, 539390), (68, 269695), (85, 215756), (170, 107878), (340, 53939)]