19497123

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{719}}^1$

素因数の和:879

約数の個数: 24

約数和(自身を含む): 29652480

約数和(自身を除く): 10155357

約数列:

[1, 3, 9, 23, 69, 131, 207, 393, 719, 1179, 2157, 3013, 6471, 9039, 16537, 27117, 49611, 94189, 148833, 282567, 847701, 2166347, 6499041, 19497123]

約数ペア:

[(1, 19497123), (3, 6499041), (9, 2166347), (23, 847701), (69, 282567), (131, 148833), (207, 94189), (393, 49611), (719, 27117), (1179, 16537), (2157, 9039), (3013, 6471)]