18857839

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18839}}^1$

素因数の和:18870

約数の個数: 16

約数和(自身を含む): 25320960

約数和(自身を除く): 6463121

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 18839, 131873, 207229, 244907, 1450603, 1714349, 2693977, 18857839]

約数ペア:

[(1, 18857839), (7, 2693977), (11, 1714349), (13, 1450603), (77, 244907), (91, 207229), (143, 131873), (1001, 18839)]