18860331

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47269}}^1$

素因数の和:47298

約数の個数: 16

約数和(自身を含む): 30252800

約数和(自身を除く): 11392469

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 47269, 141807, 330883, 898111, 992649, 2694333, 6286777, 18860331]

約数ペア:

[(1, 18860331), (3, 6286777), (7, 2694333), (19, 992649), (21, 898111), (57, 330883), (133, 141807), (399, 47269)]