31380514

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2029}}^1$

素因数の和:2098

約数の個数: 32

約数和(自身を含む): 55540800

約数和(自身を除く): 24160286

約数列:

[1, 2, 11, 19, 22, 37, 38, 74, 209, 407, 418, 703, 814, 1406, 2029, 4058, 7733, 15466, 22319, 38551, 44638, 75073, 77102, 150146, 424061, 825803, 848122, 1426387, 1651606, 2852774, 15690257, 31380514]

約数ペア:

[(1, 31380514), (2, 15690257), (11, 2852774), (19, 1651606), (22, 1426387), (37, 848122), (38, 825803), (74, 424061), (209, 150146), (407, 77102), (418, 75073), (703, 44638), (814, 38551), (1406, 22319), (2029, 15466), (4058, 7733)]