15697980380

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{21213487}}^1$

素因数の和:21213533

約数の個数: 24

約数和(自身を含む): 33856726848

約数和(自身を除く): 18158746468

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 21213487, 42426974, 84853948, 106067435, 212134870, 424269740, 784899019, 1569798038, 3139596076, 3924495095, 7848990190, 15697980380]

約数ペア:

[(1, 15697980380), (2, 7848990190), (4, 3924495095), (5, 3139596076), (10, 1569798038), (20, 784899019), (37, 424269740), (74, 212134870), (148, 106067435), (185, 84853948), (370, 42426974), (740, 21213487)]