19989318

素因数分解:

$2^1\times 3^1\times {\mathrm{59}}^1\times {\mathrm{56467}}^1$

素因数の和:56531

約数の個数: 16

約数和(自身を含む): 40656960

約数和(自身を除く): 20667642

約数列:

[1, 2, 3, 6, 59, 118, 177, 354, 56467, 112934, 169401, 338802, 3331553, 6663106, 9994659, 19989318]

約数ペア:

[(1, 19989318), (2, 9994659), (3, 6663106), (6, 3331553), (59, 338802), (118, 169401), (177, 112934), (354, 56467)]