19640036

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{1621}}^1$

素因数の和:1871

約数の個数: 24

約数和(自身を含む): 37195704

約数和(自身を除く): 17555668

約数列:

[1, 2, 4, 13, 26, 52, 233, 466, 932, 1621, 3029, 3242, 6058, 6484, 12116, 21073, 42146, 84292, 377693, 755386, 1510772, 4910009, 9820018, 19640036]

約数ペア:

[(1, 19640036), (2, 9820018), (4, 4910009), (13, 1510772), (26, 755386), (52, 377693), (233, 84292), (466, 42146), (932, 21073), (1621, 12116), (3029, 6484), (3242, 6058)]