19780843

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1303}}^1$

素因数の和:1386

約数の個数: 16

約数和(自身を含む): 22533120

約数和(自身を除く): 2752277

約数列:

[1, 17, 19, 47, 323, 799, 893, 1303, 15181, 22151, 24757, 61241, 420869, 1041097, 1163579, 19780843]

約数ペア:

[(1, 19780843), (17, 1163579), (19, 1041097), (47, 420869), (323, 61241), (799, 24757), (893, 22151), (1303, 15181)]