18408031420

素因数分解:

$2^2\times 5^1\times {\mathrm{3347}}^1\times {\mathrm{274993}}^1$

素因数の和:278349

約数の個数: 24

約数和(自身を含む): 38668556304

約数和(自身を除く): 20260524884

約数列:

[1, 2, 4, 5, 10, 20, 3347, 6694, 13388, 16735, 33470, 66940, 274993, 549986, 1099972, 1374965, 2749930, 5499860, 920401571, 1840803142, 3681606284, 4602007855, 9204015710, 18408031420]

約数ペア:

[(1, 18408031420), (2, 9204015710), (4, 4602007855), (5, 3681606284), (10, 1840803142), (20, 920401571), (3347, 5499860), (6694, 2749930), (13388, 1374965), (16735, 1099972), (33470, 549986), (66940, 274993)]