18072008

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{72871}}^1$

素因数の和:72908

約数の個数: 16

約数和(自身を含む): 34978560

約数和(自身を除く): 16906552

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 72871, 145742, 291484, 582968, 2259001, 4518002, 9036004, 18072008]

約数ペア:

[(1, 18072008), (2, 9036004), (4, 4518002), (8, 2259001), (31, 582968), (62, 291484), (124, 145742), (248, 72871)]