19810022

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{5051}}^1$

素因数の和:5143

約数の個数: 16

約数和(自身を含む): 31100112

約数和(自身を除く): 11290090

約数列:

[1, 2, 37, 53, 74, 106, 1961, 3922, 5051, 10102, 186887, 267703, 373774, 535406, 9905011, 19810022]

約数ペア:

[(1, 19810022), (2, 9905011), (37, 535406), (53, 373774), (74, 267703), (106, 186887), (1961, 10102), (3922, 5051)]