19940235

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11171}}^1$

素因数の和:11203

約数の個数: 32

約数和(自身を含む): 38610432

約数和(自身を除く): 18670197

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 11171, 33513, 55855, 78197, 167565, 189907, 234591, 390985, 569721, 949535, 1172955, 1329349, 2848605, 3988047, 6646745, 19940235]

約数ペア:

[(1, 19940235), (3, 6646745), (5, 3988047), (7, 2848605), (15, 1329349), (17, 1172955), (21, 949535), (35, 569721), (51, 390985), (85, 234591), (105, 189907), (119, 167565), (255, 78197), (357, 55855), (595, 33513), (1785, 11171)]