1398989456

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{4601939}}^1$

素因数の和:4601966

約数の個数: 20

約数和(自身を含む): 2853202800

約数和(自身を除く): 1454213344

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 4601939, 9203878, 18407756, 36815512, 73631024, 87436841, 174873682, 349747364, 699494728, 1398989456]

約数ペア:

[(1, 1398989456), (2, 699494728), (4, 349747364), (8, 174873682), (16, 87436841), (19, 73631024), (38, 36815512), (76, 18407756), (152, 9203878), (304, 4601939)]