18872230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{859}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 36842400

約数和(自身を除く): 17970170

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 859, 1690, 1718, 2197, 4295, 4394, 8590, 10985, 11167, 21970, 22334, 55835, 111670, 145171, 290342, 725855, 1451710, 1887223, 3774446, 9436115, 18872230]

約数ペア:

[(1, 18872230), (2, 9436115), (5, 3774446), (10, 1887223), (13, 1451710), (26, 725855), (65, 290342), (130, 145171), (169, 111670), (338, 55835), (845, 22334), (859, 21970), (1690, 11167), (1718, 10985), (2197, 8590), (4295, 4394)]