19218892

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2713}}^1$

素因数の和:2758

約数の個数: 48

約数和(自身を含む): 43771392

約数和(自身を除く): 24552500

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 154, 161, 253, 308, 322, 506, 644, 1012, 1771, 2713, 3542, 5426, 7084, 10852, 18991, 29843, 37982, 59686, 62399, 75964, 119372, 124798, 208901, 249596, 417802, 436793, 686389, 835604, 873586, 1372778, 1747172, 2745556, 4804723, 9609446, 19218892]

約数ペア:

[(1, 19218892), (2, 9609446), (4, 4804723), (7, 2745556), (11, 1747172), (14, 1372778), (22, 873586), (23, 835604), (28, 686389), (44, 436793), (46, 417802), (77, 249596), (92, 208901), (154, 124798), (161, 119372), (253, 75964), (308, 62399), (322, 59686), (506, 37982), (644, 29843), (1012, 18991), (1771, 10852), (2713, 7084), (3542, 5426)]