31931248

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{105037}}^1$

素因数の和:105064

約数の個数: 20

約数和(自身を含む): 65123560

約数和(自身を除く): 33192312

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 105037, 210074, 420148, 840296, 1680592, 1995703, 3991406, 7982812, 15965624, 31931248]

約数ペア:

[(1, 31931248), (2, 15965624), (4, 7982812), (8, 3991406), (16, 1995703), (19, 1680592), (38, 840296), (76, 420148), (152, 210074), (304, 105037)]