19967266

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{39461}}^1$

素因数の和:39497

約数の個数: 16

約数和(自身を含む): 34095168

約数和(自身を除く): 14127902

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 39461, 78922, 434071, 868142, 907603, 1815206, 9983633, 19967266]

約数ペア:

[(1, 19967266), (2, 9983633), (11, 1815206), (22, 907603), (23, 868142), (46, 434071), (253, 78922), (506, 39461)]