18387418

素因数分解:

$2^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{1993}}^1$

素因数の和:2661

約数の個数: 16

約数和(自身を含む): 31584960

約数和(自身を除く): 13197542

約数列:

[1, 2, 7, 14, 659, 1318, 1993, 3986, 4613, 9226, 13951, 27902, 1313387, 2626774, 9193709, 18387418]

約数ペア:

[(1, 18387418), (2, 9193709), (7, 2626774), (14, 1313387), (659, 27902), (1318, 13951), (1993, 9226), (3986, 4613)]