18637774

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{4177}}^1$

素因数の和:4299

約数の個数: 16

約数和(自身を含む): 29479968

約数和(自身を除く): 10842194

約数列:

[1, 2, 23, 46, 97, 194, 2231, 4177, 4462, 8354, 96071, 192142, 405169, 810338, 9318887, 18637774]

約数ペア:

[(1, 18637774), (2, 9318887), (23, 810338), (46, 405169), (97, 192142), (194, 96071), (2231, 8354), (4177, 4462)]