19944281

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{8821}}^1$

素因数の和:8864

約数の個数: 16

約数和(自身を含む): 25407360

約数和(自身を除く): 5463079

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 8821, 61747, 149957, 167599, 1049699, 1173193, 2849183, 19944281]

約数ペア:

[(1, 19944281), (7, 2849183), (17, 1173193), (19, 1049699), (119, 167599), (133, 149957), (323, 61747), (2261, 8821)]