18378224

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{67567}}^1$

素因数の和:67592

約数の個数: 20

約数和(自身を含む): 37702944

約数和(自身を除く): 19324720

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 67567, 135134, 270268, 540536, 1081072, 1148639, 2297278, 4594556, 9189112, 18378224]

約数ペア:

[(1, 18378224), (2, 9189112), (4, 4594556), (8, 2297278), (16, 1148639), (17, 1081072), (34, 540536), (68, 270268), (136, 135134), (272, 67567)]