17993437

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:302

約数の個数: 32

約数和(自身を含む): 24192000

約数和(自身を除く): 6198563

約数列:

[1, 7, 11, 19, 49, 77, 133, 209, 251, 343, 539, 931, 1463, 1757, 2761, 3773, 4769, 6517, 10241, 12299, 19327, 33383, 52459, 71687, 86093, 135289, 233681, 367213, 947023, 1635767, 2570491, 17993437]

約数ペア:

[(1, 17993437), (7, 2570491), (11, 1635767), (19, 947023), (49, 367213), (77, 233681), (133, 135289), (209, 86093), (251, 71687), (343, 52459), (539, 33383), (931, 19327), (1463, 12299), (1757, 10241), (2761, 6517), (3773, 4769)]