18379568

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{12907}}^1$

素因数の和:13004

約数の個数: 20

約数和(自身を含む): 36013320

約数和(自身を除く): 17633752

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 12907, 25814, 51628, 103256, 206512, 1148723, 2297446, 4594892, 9189784, 18379568]

約数ペア:

[(1, 18379568), (2, 9189784), (4, 4594892), (8, 2297446), (16, 1148723), (89, 206512), (178, 103256), (356, 51628), (712, 25814), (1424, 12907)]