18071764

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{181}}^1\times {\mathrm{229}}^1$

素因数の和:523

約数の個数: 24

約数和(自身を含む): 32232200

約数和(自身を除く): 14160436

約数列:

[1, 2, 4, 109, 181, 218, 229, 362, 436, 458, 724, 916, 19729, 24961, 39458, 41449, 49922, 78916, 82898, 99844, 165796, 4517941, 9035882, 18071764]

約数ペア:

[(1, 18071764), (2, 9035882), (4, 4517941), (109, 165796), (181, 99844), (218, 82898), (229, 78916), (362, 49922), (436, 41449), (458, 39458), (724, 24961), (916, 19729)]