19787284

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23669}}^1$

素因数の和:23703

約数の個数: 24

約数和(自身を含む): 39765600

約数和(自身を除く): 19978316

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 23669, 47338, 94676, 260359, 449711, 520718, 899422, 1041436, 1798844, 4946821, 9893642, 19787284]

約数ペア:

[(1, 19787284), (2, 9893642), (4, 4946821), (11, 1798844), (19, 1041436), (22, 899422), (38, 520718), (44, 449711), (76, 260359), (209, 94676), (418, 47338), (836, 23669)]