18698290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{143833}}^1$

素因数の和:143853

約数の個数: 16

約数和(自身を含む): 36246168

約数和(自身を除く): 17547878

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 143833, 287666, 719165, 1438330, 1869829, 3739658, 9349145, 18698290]

約数ペア:

[(1, 18698290), (2, 9349145), (5, 3739658), (10, 1869829), (13, 1438330), (26, 719165), (65, 287666), (130, 143833)]