18005812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{1787}}^1$

素因数の和:2031

約数の個数: 24

約数和(自身を含む): 34544160

約数和(自身を除く): 16538348

約数列:

[1, 2, 4, 11, 22, 44, 229, 458, 916, 1787, 2519, 3574, 5038, 7148, 10076, 19657, 39314, 78628, 409223, 818446, 1636892, 4501453, 9002906, 18005812]

約数ペア:

[(1, 18005812), (2, 9002906), (4, 4501453), (11, 1636892), (22, 818446), (44, 409223), (229, 78628), (458, 39314), (916, 19657), (1787, 10076), (2519, 7148), (3574, 5038)]