18797235

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 31139328

約数和(自身を除く): 12342093

約数列:

[1, 3, 5, 15, 43, 129, 151, 193, 215, 453, 579, 645, 755, 965, 2265, 2895, 6493, 8299, 19479, 24897, 29143, 32465, 41495, 87429, 97395, 124485, 145715, 437145, 1253149, 3759447, 6265745, 18797235]

約数ペア:

[(1, 18797235), (3, 6265745), (5, 3759447), (15, 1253149), (43, 437145), (129, 145715), (151, 124485), (193, 97395), (215, 87429), (453, 41495), (579, 32465), (645, 29143), (755, 24897), (965, 19479), (2265, 8299), (2895, 6493)]