19853936

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{65309}}^1$

素因数の和:65336

約数の個数: 20

約数和(自身を含む): 40492200

約数和(自身を除く): 20638264

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 65309, 130618, 261236, 522472, 1044944, 1240871, 2481742, 4963484, 9926968, 19853936]

約数ペア:

[(1, 19853936), (2, 9926968), (4, 4963484), (8, 2481742), (16, 1240871), (19, 1044944), (38, 522472), (76, 261236), (152, 130618), (304, 65309)]