18055778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^2$

素因数の和:326

約数の個数: 24

約数和(自身を含む): 30175572

約数和(自身を除く): 12119794

約数列:

[1, 2, 13, 26, 37, 74, 137, 274, 481, 962, 1781, 3562, 5069, 10138, 18769, 37538, 65897, 131794, 243997, 487994, 694453, 1388906, 9027889, 18055778]

約数ペア:

[(1, 18055778), (2, 9027889), (13, 1388906), (26, 694453), (37, 487994), (74, 243997), (137, 131794), (274, 65897), (481, 37538), (962, 18769), (1781, 10138), (3562, 5069)]