19859018

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{647}}^1$

素因数の和:901

約数の個数: 16

約数和(自身を含む): 30326400

約数和(自身を除く): 10467382

約数列:

[1, 2, 103, 149, 206, 298, 647, 1294, 15347, 30694, 66641, 96403, 133282, 192806, 9929509, 19859018]

約数ペア:

[(1, 19859018), (2, 9929509), (103, 192806), (149, 133282), (206, 96403), (298, 66641), (647, 30694), (1294, 15347)]