19997624

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{37309}}^1$

素因数の和:37382

約数の個数: 16

約数和(自身を含む): 38056200

約数和(自身を除く): 18058576

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 37309, 74618, 149236, 298472, 2499703, 4999406, 9998812, 19997624]

約数ペア:

[(1, 19997624), (2, 9998812), (4, 4999406), (8, 2499703), (67, 298472), (134, 149236), (268, 74618), (536, 37309)]