19216869

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{4217}}^1$

素因数の和:4265

約数の個数: 24

約数和(自身を含む): 30774528

約数和(自身を除く): 11557659

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 4217, 4557, 12651, 29519, 88557, 130727, 206633, 392181, 619899, 915089, 2745267, 6405623, 19216869]

約数ペア:

[(1, 19216869), (3, 6405623), (7, 2745267), (21, 915089), (31, 619899), (49, 392181), (93, 206633), (147, 130727), (217, 88557), (651, 29519), (1519, 12651), (4217, 4557)]