18500804

素因数分解:

$2^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{2111}}^1$

素因数の和:2435

約数の個数: 24

約数和(自身を含む): 37137408

約数和(自身を除く): 18636604

約数列:

[1, 2, 4, 7, 14, 28, 313, 626, 1252, 2111, 2191, 4222, 4382, 8444, 8764, 14777, 29554, 59108, 660743, 1321486, 2642972, 4625201, 9250402, 18500804]

約数ペア:

[(1, 18500804), (2, 9250402), (4, 4625201), (7, 2642972), (14, 1321486), (28, 660743), (313, 59108), (626, 29554), (1252, 14777), (2111, 8764), (2191, 8444), (4222, 4382)]