18550960

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3461}}^1$

素因数の和:3541

約数の個数: 40

約数和(自身を含む): 43787376

約数和(自身を除く): 25236416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 3461, 5360, 6922, 13844, 17305, 27688, 34610, 55376, 69220, 138440, 231887, 276880, 463774, 927548, 1159435, 1855096, 2318870, 3710192, 4637740, 9275480, 18550960]

約数ペア:

[(1, 18550960), (2, 9275480), (4, 4637740), (5, 3710192), (8, 2318870), (10, 1855096), (16, 1159435), (20, 927548), (40, 463774), (67, 276880), (80, 231887), (134, 138440), (268, 69220), (335, 55376), (536, 34610), (670, 27688), (1072, 17305), (1340, 13844), (2680, 6922), (3461, 5360)]