199819808

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{328651}}^1$

素因数の和:328680

約数の個数: 24

約数和(自身を含む): 414101520

約数和(自身を除く): 214281712

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 328651, 657302, 1314604, 2629208, 5258416, 6244369, 10516832, 12488738, 24977476, 49954952, 99909904, 199819808]

約数ペア:

[(1, 199819808), (2, 99909904), (4, 49954952), (8, 24977476), (16, 12488738), (19, 10516832), (32, 6244369), (38, 5258416), (76, 2629208), (152, 1314604), (304, 657302), (608, 328651)]