18147816

素因数分解:

$2^3\times 3^2\times {\mathrm{269}}^1\times {\mathrm{937}}^1$

素因数の和:1218

約数の個数: 48

約数和(自身を含む): 49385700

約数和(自身を除く): 31237884

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 269, 538, 807, 937, 1076, 1614, 1874, 2152, 2421, 2811, 3228, 3748, 4842, 5622, 6456, 7496, 8433, 9684, 11244, 16866, 19368, 22488, 33732, 67464, 252053, 504106, 756159, 1008212, 1512318, 2016424, 2268477, 3024636, 4536954, 6049272, 9073908, 18147816]

約数ペア:

[(1, 18147816), (2, 9073908), (3, 6049272), (4, 4536954), (6, 3024636), (8, 2268477), (9, 2016424), (12, 1512318), (18, 1008212), (24, 756159), (36, 504106), (72, 252053), (269, 67464), (538, 33732), (807, 22488), (937, 19368), (1076, 16866), (1614, 11244), (1874, 9684), (2152, 8433), (2421, 7496), (2811, 6456), (3228, 5622), (3748, 4842)]