18926061

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{81931}}^1$

素因数の和:81952

約数の個数: 16

約数和(自身を含む): 31461888

約数和(自身を除く): 12535827

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 81931, 245793, 573517, 901241, 1720551, 2703723, 6308687, 18926061]

約数ペア:

[(1, 18926061), (3, 6308687), (7, 2703723), (11, 1720551), (21, 901241), (33, 573517), (77, 245793), (231, 81931)]