1811984

素因数分解:

$2^4\times {\mathrm{269}}^1\times {\mathrm{421}}^1$

素因数の和:698

約数の個数: 20

約数和(自身を含む): 3532140

約数和(自身を除く): 1720156

約数列:

[1, 2, 4, 8, 16, 269, 421, 538, 842, 1076, 1684, 2152, 3368, 4304, 6736, 113249, 226498, 452996, 905992, 1811984]

約数ペア:

[(1, 1811984), (2, 905992), (4, 452996), (8, 226498), (16, 113249), (269, 6736), (421, 4304), (538, 3368), (842, 2152), (1076, 1684)]