18394551

素因数分解:

$3^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{787}}^1$

素因数の和:860

約数の個数: 36

約数和(自身を含む): 31531032

約数和(自身を除く): 13136481

約数列:

[1, 3, 7, 9, 21, 49, 53, 63, 147, 159, 371, 441, 477, 787, 1113, 2361, 2597, 3339, 5509, 7083, 7791, 16527, 23373, 38563, 41711, 49581, 115689, 125133, 291977, 347067, 375399, 875931, 2043839, 2627793, 6131517, 18394551]

約数ペア:

[(1, 18394551), (3, 6131517), (7, 2627793), (9, 2043839), (21, 875931), (49, 375399), (53, 347067), (63, 291977), (147, 125133), (159, 115689), (371, 49581), (441, 41711), (477, 38563), (787, 23373), (1113, 16527), (2361, 7791), (2597, 7083), (3339, 5509)]