19822970

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{22273}}^1$

素因数の和:22369

約数の個数: 16

約数和(自身を含む): 36083880

約数和(自身を除く): 16260910

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 22273, 44546, 111365, 222730, 1982297, 3964594, 9911485, 19822970]

約数ペア:

[(1, 19822970), (2, 9911485), (5, 3964594), (10, 1982297), (89, 222730), (178, 111365), (445, 44546), (890, 22273)]