18953008

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{40847}}^1$

素因数の和:40884

約数の個数: 20

約数和(自身を含む): 37988640

約数和(自身を除く): 19035632

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 40847, 81694, 163388, 326776, 653552, 1184563, 2369126, 4738252, 9476504, 18953008]

約数ペア:

[(1, 18953008), (2, 9476504), (4, 4738252), (8, 2369126), (16, 1184563), (29, 653552), (58, 326776), (116, 163388), (232, 81694), (464, 40847)]