19949191703

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1039}}^1\times {\mathrm{3847}}^1$

素因数の和:4947

約数の個数: 32

約数和(自身を含む): 24587796480

約数和(自身を除く): 4638604777

約数列:

[1, 7, 23, 31, 161, 217, 713, 1039, 3847, 4991, 7273, 23897, 26929, 32209, 88481, 119257, 167279, 225463, 619367, 740807, 834799, 2742911, 3997033, 5185649, 19200377, 27979231, 91931759, 123908023, 643522313, 867356161, 2849884529, 19949191703]

約数ペア:

[(1, 19949191703), (7, 2849884529), (23, 867356161), (31, 643522313), (161, 123908023), (217, 91931759), (713, 27979231), (1039, 19200377), (3847, 5185649), (4991, 3997033), (7273, 2742911), (23897, 834799), (26929, 740807), (32209, 619367), (88481, 225463), (119257, 167279)]