19491164

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^3\times {\mathrm{523}}^1$

素因数の和:567

約数の個数: 48

約数和(自身を含む): 42959616

約数和(自身を除く): 23468452

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 523, 847, 1046, 1331, 1694, 2092, 2662, 3388, 3661, 5324, 5753, 7322, 9317, 11506, 14644, 18634, 23012, 37268, 40271, 63283, 80542, 126566, 161084, 253132, 442981, 696113, 885962, 1392226, 1771924, 2784452, 4872791, 9745582, 19491164]

約数ペア:

[(1, 19491164), (2, 9745582), (4, 4872791), (7, 2784452), (11, 1771924), (14, 1392226), (22, 885962), (28, 696113), (44, 442981), (77, 253132), (121, 161084), (154, 126566), (242, 80542), (308, 63283), (484, 40271), (523, 37268), (847, 23012), (1046, 18634), (1331, 14644), (1694, 11506), (2092, 9317), (2662, 7322), (3388, 5753), (3661, 5324)]