20174821813

素因数分解:

${\mathrm{19}}^2\times {\mathrm{4561}}^1\times {\mathrm{12253}}^1$

素因数の和:16852

約数の個数: 12

約数和(自身を含む): 21298946988

約数和(自身を除く): 1124125175

約数列:

[1, 19, 361, 4561, 12253, 86659, 232807, 1646521, 4423333, 55885933, 1061832727, 20174821813]

約数ペア:

[(1, 20174821813), (19, 1061832727), (361, 55885933), (4561, 4423333), (12253, 1646521), (86659, 232807)]