19681354

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{563}}^1$

素因数の和:810

約数の個数: 32

約数和(自身を含む): 37034496

約数和(自身を除く): 17353142

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 227, 454, 563, 1126, 1589, 2497, 3178, 3941, 4994, 6193, 7882, 12386, 17479, 34958, 43351, 86702, 127801, 255602, 894607, 1405811, 1789214, 2811622, 9840677, 19681354]

約数ペア:

[(1, 19681354), (2, 9840677), (7, 2811622), (11, 1789214), (14, 1405811), (22, 894607), (77, 255602), (154, 127801), (227, 86702), (454, 43351), (563, 34958), (1126, 17479), (1589, 12386), (2497, 7882), (3178, 6193), (3941, 4994)]