20180991770

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1268447}}^1$

素因数の和:1268534

約数の個数: 32

約数和(自身を含む): 38175211008

約数和(自身を除く): 17994219238

約数列:

[1, 2, 5, 10, 37, 43, 74, 86, 185, 215, 370, 430, 1591, 3182, 7955, 15910, 1268447, 2536894, 6342235, 12684470, 46932539, 54543221, 93865078, 109086442, 234662695, 272716105, 469325390, 545432210, 2018099177, 4036198354, 10090495885, 20180991770]

約数ペア:

[(1, 20180991770), (2, 10090495885), (5, 4036198354), (10, 2018099177), (37, 545432210), (43, 469325390), (74, 272716105), (86, 234662695), (185, 109086442), (215, 93865078), (370, 54543221), (430, 46932539), (1591, 12684470), (3182, 6342235), (7955, 2536894), (15910, 1268447)]