19086111

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:745

約数の個数: 40

約数和(自身を含む): 32153088

約数和(自身を除く): 13066977

約数列:

[1, 3, 9, 11, 27, 31, 33, 81, 93, 99, 279, 297, 341, 691, 837, 891, 1023, 2073, 2511, 3069, 6219, 7601, 9207, 18657, 21421, 22803, 27621, 55971, 64263, 68409, 192789, 205227, 235631, 578367, 615681, 706893, 1735101, 2120679, 6362037, 19086111]

約数ペア:

[(1, 19086111), (3, 6362037), (9, 2120679), (11, 1735101), (27, 706893), (31, 615681), (33, 578367), (81, 235631), (93, 205227), (99, 192789), (279, 68409), (297, 64263), (341, 55971), (691, 27621), (837, 22803), (891, 21421), (1023, 18657), (2073, 9207), (2511, 7601), (3069, 6219)]