19860254

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1\times {\mathrm{421}}^1$

素因数の和:755

約数の個数: 16

約数和(自身を含む): 30282720

約数和(自身を除く): 10422466

約数列:

[1, 2, 103, 206, 229, 421, 458, 842, 23587, 43363, 47174, 86726, 96409, 192818, 9930127, 19860254]

約数ペア:

[(1, 19860254), (2, 9930127), (103, 192818), (206, 96409), (229, 86726), (421, 47174), (458, 43363), (842, 23587)]