20186368

素因数分解:

$2^8\times {\mathrm{78853}}^1$

素因数の和:78869

約数の個数: 18

約数和(自身を含む): 40294394

約数和(自身を除く): 20108026

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 78853, 157706, 315412, 630824, 1261648, 2523296, 5046592, 10093184, 20186368]

約数ペア:

[(1, 20186368), (2, 10093184), (4, 5046592), (8, 2523296), (16, 1261648), (32, 630824), (64, 315412), (128, 157706), (256, 78853)]