18181618

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{353}}^1$

素因数の和:658

約数の個数: 32

約数和(自身を含む): 33780096

約数和(自身を除く): 15598478

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 283, 353, 566, 706, 1981, 2471, 3679, 3962, 4589, 4942, 7358, 9178, 25753, 32123, 51506, 64246, 99899, 199798, 699293, 1298687, 1398586, 2597374, 9090809, 18181618]

約数ペア:

[(1, 18181618), (2, 9090809), (7, 2597374), (13, 1398586), (14, 1298687), (26, 699293), (91, 199798), (182, 99899), (283, 64246), (353, 51506), (566, 32123), (706, 25753), (1981, 9178), (2471, 7358), (3679, 4942), (3962, 4589)]