18971597

素因数分解:

${\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1$

素因数の和:556

約数の個数: 16

約数和(自身を含む): 20736000

約数和(自身を除く): 1764403

約数列:

[1, 29, 31, 47, 449, 899, 1363, 1457, 13021, 13919, 21103, 42253, 403651, 611987, 654193, 18971597]

約数ペア:

[(1, 18971597), (29, 654193), (31, 611987), (47, 403651), (449, 42253), (899, 21103), (1363, 13919), (1457, 13021)]