19386986

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{971}}^1$

素因数の和:1189

約数の個数: 16

約数和(自身を含む): 29743200

約数和(自身を除く): 10356214

約数列:

[1, 2, 67, 134, 149, 298, 971, 1942, 9983, 19966, 65057, 130114, 144679, 289358, 9693493, 19386986]

約数ペア:

[(1, 19386986), (2, 9693493), (67, 289358), (134, 144679), (149, 130114), (298, 65057), (971, 19966), (1942, 9983)]