19238175

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2591}}^1$

素因数の和:2621

約数の個数: 48

約数和(自身を含む): 38568960

約数和(自身を除く): 19330785

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 99, 135, 165, 225, 275, 297, 495, 675, 825, 1485, 2475, 2591, 7425, 7773, 12955, 23319, 28501, 38865, 64775, 69957, 85503, 116595, 142505, 194325, 256509, 349785, 427515, 582975, 712525, 769527, 1282545, 1748925, 2137575, 3847635, 6412725, 19238175]

約数ペア:

[(1, 19238175), (3, 6412725), (5, 3847635), (9, 2137575), (11, 1748925), (15, 1282545), (25, 769527), (27, 712525), (33, 582975), (45, 427515), (55, 349785), (75, 256509), (99, 194325), (135, 142505), (165, 116595), (225, 85503), (275, 69957), (297, 64775), (495, 38865), (675, 28501), (825, 23319), (1485, 12955), (2475, 7773), (2591, 7425)]