19406618

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5479}}^1$

素因数の和:5522

約数の個数: 32

約数和(自身を含む): 37877760

約数和(自身を除く): 18471142

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 154, 161, 253, 322, 506, 1771, 3542, 5479, 10958, 38353, 60269, 76706, 120538, 126017, 252034, 421883, 843766, 882119, 1386187, 1764238, 2772374, 9703309, 19406618]

約数ペア:

[(1, 19406618), (2, 9703309), (7, 2772374), (11, 1764238), (14, 1386187), (22, 882119), (23, 843766), (46, 421883), (77, 252034), (154, 126017), (161, 120538), (253, 76706), (322, 60269), (506, 38353), (1771, 10958), (3542, 5479)]