19688427

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1163}}^1$

素因数の和:1205

約数の個数: 40

約数和(自身を含む): 33802560

約数和(自身を除く): 14114133

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 81, 99, 171, 209, 297, 513, 627, 891, 1163, 1539, 1881, 3489, 5643, 10467, 12793, 16929, 22097, 31401, 38379, 66291, 94203, 115137, 198873, 243067, 345411, 596619, 729201, 1036233, 1789857, 2187603, 6562809, 19688427]

約数ペア:

[(1, 19688427), (3, 6562809), (9, 2187603), (11, 1789857), (19, 1036233), (27, 729201), (33, 596619), (57, 345411), (81, 243067), (99, 198873), (171, 115137), (209, 94203), (297, 66291), (513, 38379), (627, 31401), (891, 22097), (1163, 16929), (1539, 12793), (1881, 10467), (3489, 5643)]