19206420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{320107}}^1$

素因数の和:320119

約数の個数: 24

約数和(自身を含む): 53778144

約数和(自身を除く): 34571724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 320107, 640214, 960321, 1280428, 1600535, 1920642, 3201070, 3841284, 4801605, 6402140, 9603210, 19206420]

約数ペア:

[(1, 19206420), (2, 9603210), (3, 6402140), (4, 4801605), (5, 3841284), (6, 3201070), (10, 1920642), (12, 1600535), (15, 1280428), (20, 960321), (30, 640214), (60, 320107)]