19511910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19709}}^1$

素因数の和:19733

約数の個数: 48

約数和(自身を含む): 55345680

約数和(自身を除く): 35833770

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 19709, 39418, 59127, 98545, 118254, 177381, 197090, 216799, 295635, 354762, 433598, 591270, 650397, 886905, 1083995, 1300794, 1773810, 1951191, 2167990, 3251985, 3902382, 6503970, 9755955, 19511910]

約数ペア:

[(1, 19511910), (2, 9755955), (3, 6503970), (5, 3902382), (6, 3251985), (9, 2167990), (10, 1951191), (11, 1773810), (15, 1300794), (18, 1083995), (22, 886905), (30, 650397), (33, 591270), (45, 433598), (55, 354762), (66, 295635), (90, 216799), (99, 197090), (110, 177381), (165, 118254), (198, 98545), (330, 59127), (495, 39418), (990, 19709)]