199720347824

素因数分解:

$2^4\times {\mathrm{2003}}^1\times {\mathrm{6231913}}^1$

素因数の和:6233924

約数の個数: 20

約数和(自身を含む): 387151425336

約数和(自身を除く): 187431077512

約数列:

[1, 2, 4, 8, 16, 2003, 4006, 8012, 16024, 32048, 6231913, 12463826, 24927652, 49855304, 99710608, 12482521739, 24965043478, 49930086956, 99860173912, 199720347824]

約数ペア:

[(1, 199720347824), (2, 99860173912), (4, 49930086956), (8, 24965043478), (16, 12482521739), (2003, 99710608), (4006, 49855304), (8012, 24927652), (16024, 12463826), (32048, 6231913)]