18805051804

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2654581}}^1$

素因数の和:2654626

約数の個数: 48

約数和(自身を含む): 42813098496

約数和(自身を除く): 24008046692

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, 3542, 7084, 2654581, 5309162, 10618324, 18582067, 29200391, 37164134, 58400782, 61055363, 74328268, 116801564, 122110726, 204402737, 244221452, 408805474, 427387541, 671608993, 817610948, 854775082, 1343217986, 1709550164, 2686435972, 4701262951, 9402525902, 18805051804]

約数ペア:

[(1, 18805051804), (2, 9402525902), (4, 4701262951), (7, 2686435972), (11, 1709550164), (14, 1343217986), (22, 854775082), (23, 817610948), (28, 671608993), (44, 427387541), (46, 408805474), (77, 244221452), (92, 204402737), (154, 122110726), (161, 116801564), (253, 74328268), (308, 61055363), (322, 58400782), (506, 37164134), (644, 29200391), (1012, 18582067), (1771, 10618324), (3542, 5309162), (7084, 2654581)]