18354985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 25909632

約数和(自身を除く): 7554647

約数列:

[1, 5, 11, 17, 55, 67, 85, 187, 293, 335, 737, 935, 1139, 1465, 3223, 3685, 4981, 5695, 12529, 16115, 19631, 24905, 54791, 62645, 98155, 215941, 273955, 333727, 1079705, 1668635, 3670997, 18354985]

約数ペア:

[(1, 18354985), (5, 3670997), (11, 1668635), (17, 1079705), (55, 333727), (67, 273955), (85, 215941), (187, 98155), (293, 62645), (335, 54791), (737, 24905), (935, 19631), (1139, 16115), (1465, 12529), (3223, 5695), (3685, 4981)]