18519772

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{641}}^1$

素因数の和:909

約数の個数: 24

約数和(自身を含む): 33651072

約数和(自身を除く): 15131300

約数列:

[1, 2, 4, 31, 62, 124, 233, 466, 641, 932, 1282, 2564, 7223, 14446, 19871, 28892, 39742, 79484, 149353, 298706, 597412, 4629943, 9259886, 18519772]

約数ペア:

[(1, 18519772), (2, 9259886), (4, 4629943), (31, 597412), (62, 298706), (124, 149353), (233, 79484), (466, 39742), (641, 28892), (932, 19871), (1282, 14446), (2564, 7223)]