18042462921

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{3317239}}^1$

素因数の和:3317293

約数の個数: 24

約数和(自身を含む): 28740567360

約数和(自身を除く): 10698104439

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 777, 1813, 5439, 3317239, 9951717, 23220673, 69662019, 122737843, 162544711, 368213529, 487634133, 859164901, 2577494703, 6014154307, 18042462921]

約数ペア:

[(1, 18042462921), (3, 6014154307), (7, 2577494703), (21, 859164901), (37, 487634133), (49, 368213529), (111, 162544711), (147, 122737843), (259, 69662019), (777, 23220673), (1813, 9951717), (5439, 3317239)]