17969740

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{8243}}^1$

素因数の和:8361

約数の個数: 24

約数和(自身を含む): 38087280

約数和(自身を除く): 20117540

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 8243, 16486, 32972, 41215, 82430, 164860, 898487, 1796974, 3593948, 4492435, 8984870, 17969740]

約数ペア:

[(1, 17969740), (2, 8984870), (4, 4492435), (5, 3593948), (10, 1796974), (20, 898487), (109, 164860), (218, 82430), (436, 41215), (545, 32972), (1090, 16486), (2180, 8243)]