19782268

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23663}}^1$

素因数の和:23697

約数の個数: 24

約数和(自身を含む): 39755520

約数和(自身を除く): 19973252

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 23663, 47326, 94652, 260293, 449597, 520586, 899194, 1041172, 1798388, 4945567, 9891134, 19782268]

約数ペア:

[(1, 19782268), (2, 9891134), (4, 4945567), (11, 1798388), (19, 1041172), (22, 899194), (38, 520586), (44, 449597), (76, 260293), (209, 94652), (418, 47326), (836, 23663)]