19974776

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{131413}}^1$

素因数の和:131438

約数の個数: 16

約数和(自身を含む): 39424200

約数和(自身を除く): 19449424

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 131413, 262826, 525652, 1051304, 2496847, 4993694, 9987388, 19974776]

約数ペア:

[(1, 19974776), (2, 9987388), (4, 4993694), (8, 2496847), (19, 1051304), (38, 525652), (76, 262826), (152, 131413)]