19307079

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 32707584

約数和(自身を除く): 13400505

約数列:

[1, 3, 9, 11, 27, 31, 33, 81, 93, 99, 233, 243, 279, 297, 341, 699, 837, 891, 1023, 2097, 2511, 2563, 2673, 3069, 6291, 7223, 7533, 7689, 9207, 18873, 21669, 23067, 27621, 56619, 65007, 69201, 79453, 82863, 195021, 207603, 238359, 585063, 622809, 715077, 1755189, 2145231, 6435693, 19307079]

約数ペア:

[(1, 19307079), (3, 6435693), (9, 2145231), (11, 1755189), (27, 715077), (31, 622809), (33, 585063), (81, 238359), (93, 207603), (99, 195021), (233, 82863), (243, 79453), (279, 69201), (297, 65007), (341, 56619), (699, 27621), (837, 23067), (891, 21669), (1023, 18873), (2097, 9207), (2511, 7689), (2563, 7533), (2673, 7223), (3069, 6291)]