19775955

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{28051}}^1$

素因数の和:28106

約数の個数: 16

約数和(自身を含む): 32315904

約数和(自身を除く): 12539949

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 28051, 84153, 140255, 420765, 1318397, 3955191, 6591985, 19775955]

約数ペア:

[(1, 19775955), (3, 6591985), (5, 3955191), (15, 1318397), (47, 420765), (141, 140255), (235, 84153), (705, 28051)]