17681872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{85009}}^1$

素因数の和:85030

約数の個数: 20

約数和(自身を含む): 36894340

約数和(自身を除く): 19212468

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 85009, 170018, 340036, 680072, 1105117, 1360144, 2210234, 4420468, 8840936, 17681872]

約数ペア:

[(1, 17681872), (2, 8840936), (4, 4420468), (8, 2210234), (13, 1360144), (16, 1105117), (26, 680072), (52, 340036), (104, 170018), (208, 85009)]