18970826

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{31513}}^1$

素因数の和:31565

約数の個数: 16

約数和(自身を含む): 33278784

約数和(自身を除く): 14307958

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 31513, 63026, 220591, 441182, 1355059, 2710118, 9485413, 18970826]

約数ペア:

[(1, 18970826), (2, 9485413), (7, 2710118), (14, 1355059), (43, 441182), (86, 220591), (301, 63026), (602, 31513)]