19728207675

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{7970993}}^1$

素因数の和:7971020

約数の個数: 36

約数和(自身を含む): 38547726984

約数和(自身を除く): 18819519309

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475, 7970993, 23912979, 39854965, 71738937, 87680923, 119564895, 199274825, 263042769, 358694685, 438404615, 597824475, 789128307, 1315213845, 1793473425, 2192023075, 3945641535, 6576069225, 19728207675]

約数ペア:

[(1, 19728207675), (3, 6576069225), (5, 3945641535), (9, 2192023075), (11, 1793473425), (15, 1315213845), (25, 789128307), (33, 597824475), (45, 438404615), (55, 358694685), (75, 263042769), (99, 199274825), (165, 119564895), (225, 87680923), (275, 71738937), (495, 39854965), (825, 23912979), (2475, 7970993)]