18741657

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 29168640

約数和(自身を除く): 10426983

約数列:

[1, 3, 11, 19, 33, 57, 71, 209, 213, 421, 627, 781, 1263, 1349, 2343, 4047, 4631, 7999, 13893, 14839, 23997, 29891, 44517, 87989, 89673, 263967, 328801, 567929, 986403, 1703787, 6247219, 18741657]

約数ペア:

[(1, 18741657), (3, 6247219), (11, 1703787), (19, 986403), (33, 567929), (57, 328801), (71, 263967), (209, 89673), (213, 87989), (421, 44517), (627, 29891), (781, 23997), (1263, 14839), (1349, 13893), (2343, 7999), (4047, 4631)]