18180690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1489}}^1$

素因数の和:1547

約数の個数: 64

約数和(自身を含む): 48919680

約数和(自身を除く): 30738990

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 37, 55, 66, 74, 110, 111, 165, 185, 222, 330, 370, 407, 555, 814, 1110, 1221, 1489, 2035, 2442, 2978, 4070, 4467, 6105, 7445, 8934, 12210, 14890, 16379, 22335, 32758, 44670, 49137, 55093, 81895, 98274, 110186, 163790, 165279, 245685, 275465, 330558, 491370, 550930, 606023, 826395, 1212046, 1652790, 1818069, 3030115, 3636138, 6060230, 9090345, 18180690]

約数ペア:

[(1, 18180690), (2, 9090345), (3, 6060230), (5, 3636138), (6, 3030115), (10, 1818069), (11, 1652790), (15, 1212046), (22, 826395), (30, 606023), (33, 550930), (37, 491370), (55, 330558), (66, 275465), (74, 245685), (110, 165279), (111, 163790), (165, 110186), (185, 98274), (222, 81895), (330, 55093), (370, 49137), (407, 44670), (555, 32758), (814, 22335), (1110, 16379), (1221, 14890), (1489, 12210), (2035, 8934), (2442, 7445), (2978, 6105), (4070, 4467)]