19547451

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 35812608

約数和(自身を除く): 16265157

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 67, 77, 99, 201, 231, 421, 469, 603, 693, 737, 1263, 1407, 2211, 2947, 3789, 4221, 4631, 5159, 6633, 8841, 13893, 15477, 26523, 28207, 32417, 41679, 46431, 84621, 97251, 197449, 253863, 291753, 310277, 592347, 930831, 1777041, 2171939, 2792493, 6515817, 19547451]

約数ペア:

[(1, 19547451), (3, 6515817), (7, 2792493), (9, 2171939), (11, 1777041), (21, 930831), (33, 592347), (63, 310277), (67, 291753), (77, 253863), (99, 197449), (201, 97251), (231, 84621), (421, 46431), (469, 41679), (603, 32417), (693, 28207), (737, 26523), (1263, 15477), (1407, 13893), (2211, 8841), (2947, 6633), (3789, 5159), (4221, 4631)]