18511647

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{631}}^1$

素因数の和:779

約数の個数: 32

約数和(自身を含む): 31064064

約数和(自身を除く): 12552417

約数列:

[1, 3, 7, 11, 21, 33, 77, 127, 231, 381, 631, 889, 1397, 1893, 2667, 4191, 4417, 6941, 9779, 13251, 20823, 29337, 48587, 80137, 145761, 240411, 560959, 881507, 1682877, 2644521, 6170549, 18511647]

約数ペア:

[(1, 18511647), (3, 6170549), (7, 2644521), (11, 1682877), (21, 881507), (33, 560959), (77, 240411), (127, 145761), (231, 80137), (381, 48587), (631, 29337), (889, 20823), (1397, 13251), (1893, 9779), (2667, 6941), (4191, 4417)]