19544145

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 32368512

約数和(自身を除く): 12824367

約数列:

[1, 3, 5, 15, 43, 129, 157, 193, 215, 471, 579, 645, 785, 965, 2355, 2895, 6751, 8299, 20253, 24897, 30301, 33755, 41495, 90903, 101265, 124485, 151505, 454515, 1302943, 3908829, 6514715, 19544145]

約数ペア:

[(1, 19544145), (3, 6514715), (5, 3908829), (15, 1302943), (43, 454515), (129, 151505), (157, 124485), (193, 101265), (215, 90903), (471, 41495), (579, 33755), (645, 30301), (785, 24897), (965, 20253), (2355, 8299), (2895, 6751)]