18055149

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1223}}^1$

素因数の和:1289

約数の個数: 32

約数和(自身を含む): 29767680

約数和(自身を除く): 11712531

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 703, 777, 1223, 2109, 3669, 4921, 8561, 14763, 23237, 25683, 45251, 69711, 135753, 162659, 316757, 487977, 859769, 950271, 2579307, 6018383, 18055149]

約数ペア:

[(1, 18055149), (3, 6018383), (7, 2579307), (19, 950271), (21, 859769), (37, 487977), (57, 316757), (111, 162659), (133, 135753), (259, 69711), (399, 45251), (703, 25683), (777, 23237), (1223, 14763), (2109, 8561), (3669, 4921)]