19480097

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{577}}^1$

素因数の和:657

約数の個数: 24

約数和(自身を含む): 24907176

約数和(自身を除く): 5427079

約数列:

[1, 7, 13, 49, 53, 91, 371, 577, 637, 689, 2597, 4039, 4823, 7501, 28273, 30581, 33761, 52507, 214067, 367549, 397553, 1498469, 2782871, 19480097]

約数ペア:

[(1, 19480097), (7, 2782871), (13, 1498469), (49, 397553), (53, 367549), (91, 214067), (371, 52507), (577, 33761), (637, 30581), (689, 28273), (2597, 7501), (4039, 4823)]