19998156

素因数分解:

$2^2\times 3^1\times {\mathrm{353}}^1\times {\mathrm{4721}}^1$

素因数の和:5081

約数の個数: 24

約数和(自身を含む): 46804464

約数和(自身を除く): 26806308

約数列:

[1, 2, 3, 4, 6, 12, 353, 706, 1059, 1412, 2118, 4236, 4721, 9442, 14163, 18884, 28326, 56652, 1666513, 3333026, 4999539, 6666052, 9999078, 19998156]

約数ペア:

[(1, 19998156), (2, 9999078), (3, 6666052), (4, 4999539), (6, 3333026), (12, 1666513), (353, 56652), (706, 28326), (1059, 18884), (1412, 14163), (2118, 9442), (4236, 4721)]