18785862

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:533

約数の個数: 48

約数和(自身を含む): 42527472

約数和(自身を除く): 23741610

約数列:

[1, 2, 3, 6, 9, 18, 37, 67, 74, 111, 134, 201, 222, 333, 402, 421, 603, 666, 842, 1206, 1263, 2479, 2526, 3789, 4958, 7437, 7578, 14874, 15577, 22311, 28207, 31154, 44622, 46731, 56414, 84621, 93462, 140193, 169242, 253863, 280386, 507726, 1043659, 2087318, 3130977, 6261954, 9392931, 18785862]

約数ペア:

[(1, 18785862), (2, 9392931), (3, 6261954), (6, 3130977), (9, 2087318), (18, 1043659), (37, 507726), (67, 280386), (74, 253863), (111, 169242), (134, 140193), (201, 93462), (222, 84621), (333, 56414), (402, 46731), (421, 44622), (603, 31154), (666, 28207), (842, 22311), (1206, 15577), (1263, 14874), (2479, 7578), (2526, 7437), (3789, 4958)]