18620133

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2029}}^1$

素因数の和:2081

約数の個数: 32

約数和(自身を含む): 31180800

約数和(自身を除く): 12560667

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 1311, 2029, 3059, 6087, 9177, 14203, 38551, 42609, 46667, 115653, 140001, 269857, 326669, 809571, 886673, 980007, 2660019, 6206711, 18620133]

約数ペア:

[(1, 18620133), (3, 6206711), (7, 2660019), (19, 980007), (21, 886673), (23, 809571), (57, 326669), (69, 269857), (133, 140001), (161, 115653), (399, 46667), (437, 42609), (483, 38551), (1311, 14203), (2029, 9177), (3059, 6087)]