18930418

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{42829}}^1$

素因数の和:42861

約数の個数: 16

約数和(自身を含む): 32379480

約数和(自身を除く): 13449062

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 42829, 85658, 556777, 728093, 1113554, 1456186, 9465209, 18930418]

約数ペア:

[(1, 18930418), (2, 9465209), (13, 1456186), (17, 1113554), (26, 728093), (34, 556777), (221, 85658), (442, 42829)]