19381605

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 32102400

約数和(自身を除く): 12720795

約数列:

[1, 3, 5, 15, 43, 129, 151, 199, 215, 453, 597, 645, 755, 995, 2265, 2985, 6493, 8557, 19479, 25671, 30049, 32465, 42785, 90147, 97395, 128355, 150245, 450735, 1292107, 3876321, 6460535, 19381605]

約数ペア:

[(1, 19381605), (3, 6460535), (5, 3876321), (15, 1292107), (43, 450735), (129, 150245), (151, 128355), (199, 97395), (215, 90147), (453, 42785), (597, 32465), (645, 30049), (755, 25671), (995, 19479), (2265, 8557), (2985, 6493)]