20190388

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{2351}}^1$

素因数の和:2487

約数の個数: 24

約数和(自身を含む): 37537920

約数和(自身を除く): 17347532

約数列:

[1, 2, 4, 19, 38, 76, 113, 226, 452, 2147, 2351, 4294, 4702, 8588, 9404, 44669, 89338, 178676, 265663, 531326, 1062652, 5047597, 10095194, 20190388]

約数ペア:

[(1, 20190388), (2, 10095194), (4, 5047597), (19, 1062652), (38, 531326), (76, 265663), (113, 178676), (226, 89338), (452, 44669), (2147, 9404), (2351, 8588), (4294, 4702)]