18393291

素因数分解:

$3^3\times 7^1\times {\mathrm{307}}^1\times {\mathrm{317}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 31342080

約数和(自身を除く): 12948789

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 307, 317, 921, 951, 2149, 2219, 2763, 2853, 6447, 6657, 8289, 8559, 19341, 19971, 58023, 59913, 97319, 291957, 681233, 875871, 2043699, 2627613, 6131097, 18393291]

約数ペア:

[(1, 18393291), (3, 6131097), (7, 2627613), (9, 2043699), (21, 875871), (27, 681233), (63, 291957), (189, 97319), (307, 59913), (317, 58023), (921, 19971), (951, 19341), (2149, 8559), (2219, 8289), (2763, 6657), (2853, 6447)]