19865602

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{3761}}^1$

素因数の和:3921

約数の個数: 16

約数和(自身を含む): 31600800

約数和(自身を除く): 11735198

約数列:

[1, 2, 19, 38, 139, 278, 2641, 3761, 5282, 7522, 71459, 142918, 522779, 1045558, 9932801, 19865602]

約数ペア:

[(1, 19865602), (2, 9932801), (19, 1045558), (38, 522779), (139, 142918), (278, 71459), (2641, 7522), (3761, 5282)]