17980484

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{443}}^1$

素因数の和:659

約数の個数: 24

約数和(自身を含む): 32198880

約数和(自身を除く): 14218396

約数列:

[1, 2, 4, 73, 139, 146, 278, 292, 443, 556, 886, 1772, 10147, 20294, 32339, 40588, 61577, 64678, 123154, 129356, 246308, 4495121, 8990242, 17980484]

約数ペア:

[(1, 17980484), (2, 8990242), (4, 4495121), (73, 246308), (139, 129356), (146, 123154), (278, 64678), (292, 61577), (443, 40588), (556, 32339), (886, 20294), (1772, 10147)]