18720502

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{4019}}^1$

素因数の和:4175

約数の個数: 16

約数和(自身を含む): 29957040

約数和(自身を除く): 11236538

約数列:

[1, 2, 17, 34, 137, 274, 2329, 4019, 4658, 8038, 68323, 136646, 550603, 1101206, 9360251, 18720502]

約数ペア:

[(1, 18720502), (2, 9360251), (17, 1101206), (34, 550603), (137, 136646), (274, 68323), (2329, 8038), (4019, 4658)]