17886767140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{81303487}}^1$

素因数の和:81303507

約数の個数: 24

約数和(自身を含む): 40976957952

約数和(自身を除く): 23090190812

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 81303487, 162606974, 325213948, 406517435, 813034870, 894338357, 1626069740, 1788676714, 3577353428, 4471691785, 8943383570, 17886767140]

約数ペア:

[(1, 17886767140), (2, 8943383570), (4, 4471691785), (5, 3577353428), (10, 1788676714), (11, 1626069740), (20, 894338357), (22, 813034870), (44, 406517435), (55, 325213948), (110, 162606974), (220, 81303487)]