18489460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{367}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 42658560

約数和(自身を除く): 24169100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 229, 367, 458, 734, 916, 1145, 1468, 1835, 2290, 2519, 3670, 4037, 4580, 5038, 7340, 8074, 10076, 12595, 16148, 20185, 25190, 40370, 50380, 80740, 84043, 168086, 336172, 420215, 840430, 924473, 1680860, 1848946, 3697892, 4622365, 9244730, 18489460]

約数ペア:

[(1, 18489460), (2, 9244730), (4, 4622365), (5, 3697892), (10, 1848946), (11, 1680860), (20, 924473), (22, 840430), (44, 420215), (55, 336172), (110, 168086), (220, 84043), (229, 80740), (367, 50380), (458, 40370), (734, 25190), (916, 20185), (1145, 16148), (1468, 12595), (1835, 10076), (2290, 8074), (2519, 7340), (3670, 5038), (4037, 4580)]