18888147

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{4091}}^1$

素因数の和:4125

約数の個数: 24

約数和(自身を含む): 29789760

約数和(自身を除く): 10901613

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 1539, 4091, 4617, 12273, 36819, 77729, 110457, 233187, 331371, 699561, 994113, 2098683, 6296049, 18888147]

約数ペア:

[(1, 18888147), (3, 6296049), (9, 2098683), (19, 994113), (27, 699561), (57, 331371), (81, 233187), (171, 110457), (243, 77729), (513, 36819), (1539, 12273), (4091, 4617)]