18855568

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{40637}}^1$

素因数の和:40674

約数の個数: 20

約数和(自身を含む): 37793340

約数和(自身を除く): 18937772

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 40637, 81274, 162548, 325096, 650192, 1178473, 2356946, 4713892, 9427784, 18855568]

約数ペア:

[(1, 18855568), (2, 9427784), (4, 4713892), (8, 2356946), (16, 1178473), (29, 650192), (58, 325096), (116, 162548), (232, 81274), (464, 40637)]