18870196

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{4909}}^1$

素因数の和:4975

約数の個数: 18

約数和(自身を含む): 34129410

約数和(自身を除く): 15259214

約数列:

[1, 2, 4, 31, 62, 124, 961, 1922, 3844, 4909, 9818, 19636, 152179, 304358, 608716, 4717549, 9435098, 18870196]

約数ペア:

[(1, 18870196), (2, 9435098), (4, 4717549), (31, 608716), (62, 304358), (124, 152179), (961, 19636), (1922, 9818), (3844, 4909)]