17961008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{86351}}^1$

素因数の和:86372

約数の個数: 20

約数和(自身を含む): 37476768

約数和(自身を除く): 19515760

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 86351, 172702, 345404, 690808, 1122563, 1381616, 2245126, 4490252, 8980504, 17961008]

約数ペア:

[(1, 17961008), (2, 8980504), (4, 4490252), (8, 2245126), (13, 1381616), (16, 1122563), (26, 690808), (52, 345404), (104, 172702), (208, 86351)]